Home / 52,068,339.24-78,117,132.60-19,278,414.96

Finding the Fourth Proportional to 52,068,339.24, 78,117,132.60 and 19,278,414.96

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Solution

The fourth proportional to 52,068,339.24, 78,117,132.60 and 19,278,414.96 is: 28,923,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,068,339.24 : 78,117,132.60 = 19,278,414.96 : x
  2. Step 2: Convert to fraction form
    52,068,339.24/78,117,132.60 = 19,278,414.96/x
  3. Step 3: Cross multiply
    52,068,339.24x = 78,117,132.60 × 19,278,414.96
  4. Step 4: Simplify right side
    52,068,339.24x = 1,505,974,497,748,143.75
  5. Step 5: Solve for x
    x = 1,505,974,497,748,143.75/52,068,339.24
  6. Step 6: Final answer
    x = 28,923,036.91

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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.