Home / 83,140,992,000.80-124,711,488,001.20-21,102,695,424.80

Finding the Fourth Proportional to 83,140,992,000.80, 124,711,488,001.20 and 21,102,695,424.80

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Solution

The fourth proportional to 83,140,992,000.80, 124,711,488,001.20 and 21,102,695,424.80 is: 31,654,043,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,140,992,000.80 : 124,711,488,001.20 = 21,102,695,424.80 : x
  2. Step 2: Convert to fraction form
    83,140,992,000.80/124,711,488,001.20 = 21,102,695,424.80/x
  3. Step 3: Cross multiply
    83,140,992,000.80x = 124,711,488,001.20 × 21,102,695,424.80
  4. Step 4: Simplify right side
    83,140,992,000.80x = 2,631,748,547,262,923,407,360
  5. Step 5: Solve for x
    x = 2,631,748,547,262,923,407,360/83,140,992,000.80
  6. Step 6: Final answer
    x = 31,654,043,137.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.