Home / 129,061,594.40-193,536,404.40-42,766,656.80

Finding the Fourth Proportional to 129,061,594.40, 193,536,404.40 and 42,766,656.80

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Solution

The fourth proportional to 129,061,594.40, 193,536,404.40 and 42,766,656.80 is: 64,131,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,061,594.40 : 193,536,404.40 = 42,766,656.80 : x
  2. Step 2: Convert to fraction form
    129,061,594.40/193,536,404.40 = 42,766,656.80/x
  3. Step 3: Cross multiply
    129,061,594.40x = 193,536,404.40 × 42,766,656.80
  4. Step 4: Simplify right side
    129,061,594.40x = 8,276,904,985,280,810
  5. Step 5: Solve for x
    x = 8,276,904,985,280,810/129,061,594.40
  6. Step 6: Final answer
    x = 64,131,432.93

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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.