Home / 131,127,414.27-180,951,091.68-72,388,820.67

Finding the Fourth Proportional to 131,127,414.27, 180,951,091.68 and 72,388,820.67

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Solution

The fourth proportional to 131,127,414.27, 180,951,091.68 and 72,388,820.67 is: 99,893,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,127,414.27 : 180,951,091.68 = 72,388,820.67 : x
  2. Step 2: Convert to fraction form
    131,127,414.27/180,951,091.68 = 72,388,820.67/x
  3. Step 3: Cross multiply
    131,127,414.27x = 180,951,091.68 × 72,388,820.67
  4. Step 4: Simplify right side
    131,127,414.27x = 13,098,836,125,664,250
  5. Step 5: Solve for x
    x = 13,098,836,125,664,250/131,127,414.27
  6. Step 6: Final answer
    x = 99,893,955.80

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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.