Home / 131,127,405.52-180,951,079.62-72,388,811.89

Finding the Fourth Proportional to 131,127,405.52, 180,951,079.62 and 72,388,811.89

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Solution

The fourth proportional to 131,127,405.52, 180,951,079.62 and 72,388,811.89 is: 99,893,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,127,405.52 : 180,951,079.62 = 72,388,811.89 : x
  2. Step 2: Convert to fraction form
    131,127,405.52/180,951,079.62 = 72,388,811.89/x
  3. Step 3: Cross multiply
    131,127,405.52x = 180,951,079.62 × 72,388,811.89
  4. Step 4: Simplify right side
    131,127,405.52x = 13,098,833,663,904,594
  5. Step 5: Solve for x
    x = 13,098,833,663,904,594/131,127,405.52
  6. Step 6: Final answer
    x = 99,893,943.70

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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.