Home / 165,006,609.60-247,132,000.80-84,133,099.20

Finding the Fourth Proportional to 165,006,609.60, 247,132,000.80 and 84,133,099.20

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Solution

The fourth proportional to 165,006,609.60, 247,132,000.80 and 84,133,099.20 is: 126,006,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,006,609.60 : 247,132,000.80 = 84,133,099.20 : x
  2. Step 2: Convert to fraction form
    165,006,609.60/247,132,000.80 = 84,133,099.20/x
  3. Step 3: Cross multiply
    165,006,609.60x = 247,132,000.80 × 84,133,099.20
  4. Step 4: Simplify right side
    165,006,609.60x = 20,791,981,138,800,880
  5. Step 5: Solve for x
    x = 20,791,981,138,800,880/165,006,609.60
  6. Step 6: Final answer
    x = 126,006,959.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.