Home / 131,412,484.28-181,294,431.72-75,644,561

Finding the Fourth Proportional to 131,412,484.28, 181,294,431.72 and 75,644,561

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Solution

The fourth proportional to 131,412,484.28, 181,294,431.72 and 75,644,561 is: 104,357,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,412,484.28 : 181,294,431.72 = 75,644,561 : x
  2. Step 2: Convert to fraction form
    131,412,484.28/181,294,431.72 = 75,644,561/x
  3. Step 3: Cross multiply
    131,412,484.28x = 181,294,431.72 × 75,644,561
  4. Step 4: Simplify right side
    131,412,484.28x = 13,713,937,699,203,874
  5. Step 5: Solve for x
    x = 13,713,937,699,203,874/131,412,484.28
  6. Step 6: Final answer
    x = 104,357,951.79

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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.