Home / 87,164,737.08-120,295,833.56-65,099,929.53

Finding the Fourth Proportional to 87,164,737.08, 120,295,833.56 and 65,099,929.53

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Solution

The fourth proportional to 87,164,737.08, 120,295,833.56 and 65,099,929.53 is: 89,844,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,164,737.08 : 120,295,833.56 = 65,099,929.53 : x
  2. Step 2: Convert to fraction form
    87,164,737.08/120,295,833.56 = 65,099,929.53/x
  3. Step 3: Cross multiply
    87,164,737.08x = 120,295,833.56 × 65,099,929.53
  4. Step 4: Simplify right side
    87,164,737.08x = 7,831,250,287,508,609
  5. Step 5: Solve for x
    x = 7,831,250,287,508,609/87,164,737.08
  6. Step 6: Final answer
    x = 89,844,248.37

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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.