Home / 71,287,694.64-98,377,207.92-38,692,646.64

Finding the Fourth Proportional to 71,287,694.64, 98,377,207.92 and 38,692,646.64

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Solution

The fourth proportional to 71,287,694.64, 98,377,207.92 and 38,692,646.64 is: 53,395,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,287,694.64 : 98,377,207.92 = 38,692,646.64 : x
  2. Step 2: Convert to fraction form
    71,287,694.64/98,377,207.92 = 38,692,646.64/x
  3. Step 3: Cross multiply
    71,287,694.64x = 98,377,207.92 × 38,692,646.64
  4. Step 4: Simplify right side
    71,287,694.64x = 3,806,474,543,478,369.50
  5. Step 5: Solve for x
    x = 3,806,474,543,478,369.50/71,287,694.64
  6. Step 6: Final answer
    x = 53,395,955.12

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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.