Home / 124,892,073.19-172,352,424.61-69,138,424.88

Finding the Fourth Proportional to 124,892,073.19, 172,352,424.61 and 69,138,424.88

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Solution

The fourth proportional to 124,892,073.19, 172,352,424.61 and 69,138,424.88 is: 95,411,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,892,073.19 : 172,352,424.61 = 69,138,424.88 : x
  2. Step 2: Convert to fraction form
    124,892,073.19/172,352,424.61 = 69,138,424.88/x
  3. Step 3: Cross multiply
    124,892,073.19x = 172,352,424.61 × 69,138,424.88
  4. Step 4: Simplify right side
    124,892,073.19x = 11,916,175,161,784,348
  5. Step 5: Solve for x
    x = 11,916,175,161,784,348/124,892,073.19
  6. Step 6: Final answer
    x = 95,411,781.21

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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.