Home / 120,230,951.08-165,918,772.56-65,226,793

Finding the Fourth Proportional to 120,230,951.08, 165,918,772.56 and 65,226,793

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Solution

The fourth proportional to 120,230,951.08, 165,918,772.56 and 65,226,793 is: 90,013,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,230,951.08 : 165,918,772.56 = 65,226,793 : x
  2. Step 2: Convert to fraction form
    120,230,951.08/165,918,772.56 = 65,226,793/x
  3. Step 3: Cross multiply
    120,230,951.08x = 165,918,772.56 × 65,226,793
  4. Step 4: Simplify right side
    120,230,951.08x = 10,822,349,432,585,200
  5. Step 5: Solve for x
    x = 10,822,349,432,585,200/120,230,951.08
  6. Step 6: Final answer
    x = 90,013,006.93

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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.