Home / 129,061,406.40-193,536,122.40-42,766,468.80

Finding the Fourth Proportional to 129,061,406.40, 193,536,122.40 and 42,766,468.80

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Solution

The fourth proportional to 129,061,406.40, 193,536,122.40 and 42,766,468.80 is: 64,131,150.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,061,406.40 : 193,536,122.40 = 42,766,468.80 : x
  2. Step 2: Convert to fraction form
    129,061,406.40/193,536,122.40 = 42,766,468.80/x
  3. Step 3: Cross multiply
    129,061,406.40x = 193,536,122.40 × 42,766,468.80
  4. Step 4: Simplify right side
    129,061,406.40x = 8,276,856,540,292,581
  5. Step 5: Solve for x
    x = 8,276,856,540,292,581/129,061,406.40
  6. Step 6: Final answer
    x = 64,131,150.99

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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.