Home / 88,358,793,080.79-121,935,506,839.54-49,778,175,879.93

Finding the Fourth Proportional to 88,358,793,080.79, 121,935,506,839.54 and 49,778,175,879.93

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Solution

The fourth proportional to 88,358,793,080.79, 121,935,506,839.54 and 49,778,175,879.93 is: 68,694,092,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,358,793,080.79 : 121,935,506,839.54 = 49,778,175,879.93 : x
  2. Step 2: Convert to fraction form
    88,358,793,080.79/121,935,506,839.54 = 49,778,175,879.93/x
  3. Step 3: Cross multiply
    88,358,793,080.79x = 121,935,506,839.54 × 49,778,175,879.93
  4. Step 4: Simplify right side
    88,358,793,080.79x = 6,069,727,105,467,029,651,456
  5. Step 5: Solve for x
    x = 6,069,727,105,467,029,651,456/88,358,793,080.79
  6. Step 6: Final answer
    x = 68,694,092,504.38

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Double scale
Find fourth proportional to 88,358,793,081.79, 121,935,506,840.92 and 49,778,175,880.93
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.