Home / 124,984,901.28-172,471,554.90-69,227,016.24

Finding the Fourth Proportional to 124,984,901.28, 172,471,554.90 and 69,227,016.24

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Solution

The fourth proportional to 124,984,901.28, 172,471,554.90 and 69,227,016.24 is: 95,529,067.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,984,901.28 : 172,471,554.90 = 69,227,016.24 : x
  2. Step 2: Convert to fraction form
    124,984,901.28/172,471,554.90 = 69,227,016.24/x
  3. Step 3: Cross multiply
    124,984,901.28x = 172,471,554.90 × 69,227,016.24
  4. Step 4: Simplify right side
    124,984,901.28x = 11,939,691,132,000,352
  5. Step 5: Solve for x
    x = 11,939,691,132,000,352/124,984,901.28
  6. Step 6: Final answer
    x = 95,529,067.99

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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.