Home / 69,227,892.17-103,842,014.15-28,287,331.40

Finding the Fourth Proportional to 69,227,892.17, 103,842,014.15 and 28,287,331.40

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Solution

The fourth proportional to 69,227,892.17, 103,842,014.15 and 28,287,331.40 is: 42,431,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,227,892.17 : 103,842,014.15 = 28,287,331.40 : x
  2. Step 2: Convert to fraction form
    69,227,892.17/103,842,014.15 = 28,287,331.40/x
  3. Step 3: Cross multiply
    69,227,892.17x = 103,842,014.15 × 28,287,331.40
  4. Step 4: Simplify right side
    69,227,892.17x = 2,937,413,466,843,892.50
  5. Step 5: Solve for x
    x = 2,937,413,466,843,892.50/69,227,892.17
  6. Step 6: Final answer
    x = 42,431,068.97

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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.