Home / 129,375,813.60-193,998,984.48-43,084,141.92

Finding the Fourth Proportional to 129,375,813.60, 193,998,984.48 and 43,084,141.92

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Solution

The fourth proportional to 129,375,813.60, 193,998,984.48 and 43,084,141.92 is: 64,604,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,375,813.60 : 193,998,984.48 = 43,084,141.92 : x
  2. Step 2: Convert to fraction form
    129,375,813.60/193,998,984.48 = 43,084,141.92/x
  3. Step 3: Cross multiply
    129,375,813.60x = 193,998,984.48 × 43,084,141.92
  4. Step 4: Simplify right side
    129,375,813.60x = 8,358,279,779,672,197
  5. Step 5: Solve for x
    x = 8,358,279,779,672,197/129,375,813.60
  6. Step 6: Final answer
    x = 64,604,654.82

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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.