Home / 129,024,280.40-193,387,121.40-52,309,374.80

Finding the Fourth Proportional to 129,024,280.40, 193,387,121.40 and 52,309,374.80

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Solution

The fourth proportional to 129,024,280.40, 193,387,121.40 and 52,309,374.80 is: 78,403,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,024,280.40 : 193,387,121.40 = 52,309,374.80 : x
  2. Step 2: Convert to fraction form
    129,024,280.40/193,387,121.40 = 52,309,374.80/x
  3. Step 3: Cross multiply
    129,024,280.40x = 193,387,121.40 × 52,309,374.80
  4. Step 4: Simplify right side
    129,024,280.40x = 10,115,959,414,805,700
  5. Step 5: Solve for x
    x = 10,115,959,414,805,700/129,024,280.40
  6. Step 6: Final answer
    x = 78,403,532.91

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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.