Home / 131,412,476.52-181,294,419.06-75,644,553.24

Finding the Fourth Proportional to 131,412,476.52, 181,294,419.06 and 75,644,553.24

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Solution

The fourth proportional to 131,412,476.52, 181,294,419.06 and 75,644,553.24 is: 104,357,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,412,476.52 : 181,294,419.06 = 75,644,553.24 : x
  2. Step 2: Convert to fraction form
    131,412,476.52/181,294,419.06 = 75,644,553.24/x
  3. Step 3: Cross multiply
    131,412,476.52x = 181,294,419.06 × 75,644,553.24
  4. Step 4: Simplify right side
    131,412,476.52x = 13,713,935,334,699,040
  5. Step 5: Solve for x
    x = 13,713,935,334,699,040/131,412,476.52
  6. Step 6: Final answer
    x = 104,357,939.96

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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.