Home / 131,127,406.52-180,951,081-72,388,812.89

Finding the Fourth Proportional to 131,127,406.52, 180,951,081 and 72,388,812.89

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Solution

The fourth proportional to 131,127,406.52, 180,951,081 and 72,388,812.89 is: 99,893,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,127,406.52 : 180,951,081 = 72,388,812.89 : x
  2. Step 2: Convert to fraction form
    131,127,406.52/180,951,081 = 72,388,812.89/x
  3. Step 3: Cross multiply
    131,127,406.52x = 180,951,081 × 72,388,812.89
  4. Step 4: Simplify right side
    131,127,406.52x = 13,098,833,944,752,234
  5. Step 5: Solve for x
    x = 13,098,833,944,752,234/131,127,406.52
  6. Step 6: Final answer
    x = 99,893,945.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.