Home / 125,176,008.34-172,753,232.79-69,439,398.90

Finding the Fourth Proportional to 125,176,008.34, 172,753,232.79 and 69,439,398.90

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Solution

The fourth proportional to 125,176,008.34, 172,753,232.79 and 69,439,398.90 is: 95,832,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,176,008.34 : 172,753,232.79 = 69,439,398.90 : x
  2. Step 2: Convert to fraction form
    125,176,008.34/172,753,232.79 = 69,439,398.90/x
  3. Step 3: Cross multiply
    125,176,008.34x = 172,753,232.79 × 69,439,398.90
  4. Step 4: Simplify right side
    125,176,008.34x = 11,995,880,642,622,174
  5. Step 5: Solve for x
    x = 11,995,880,642,622,174/125,176,008.34
  6. Step 6: Final answer
    x = 95,832,107.14

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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.