Home / 128,464,555,283.55-177,270,692,839.59-74,274,580,724.15

Finding the Fourth Proportional to 128,464,555,283.55, 177,270,692,839.59 and 74,274,580,724.15

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Solution

The fourth proportional to 128,464,555,283.55, 177,270,692,839.59 and 74,274,580,724.15 is: 102,492,912,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,464,555,283.55 : 177,270,692,839.59 = 74,274,580,724.15 : x
  2. Step 2: Convert to fraction form
    128,464,555,283.55/177,270,692,839.59 = 74,274,580,724.15/x
  3. Step 3: Cross multiply
    128,464,555,283.55x = 177,270,692,839.59 × 74,274,580,724.15
  4. Step 4: Simplify right side
    128,464,555,283.55x = 13,166,706,385,340,126,461,952
  5. Step 5: Solve for x
    x = 13,166,706,385,340,126,461,952/128,464,555,283.55
  6. Step 6: Final answer
    x = 102,492,912,198.84

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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.