Home / 83,856,165.60-125,741,710.80-38,379,007.20

Finding the Fourth Proportional to 83,856,165.60, 125,741,710.80 and 38,379,007.20

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Solution

The fourth proportional to 83,856,165.60, 125,741,710.80 and 38,379,007.20 is: 57,549,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,856,165.60 : 125,741,710.80 = 38,379,007.20 : x
  2. Step 2: Convert to fraction form
    83,856,165.60/125,741,710.80 = 38,379,007.20/x
  3. Step 3: Cross multiply
    83,856,165.60x = 125,741,710.80 × 38,379,007.20
  4. Step 4: Simplify right side
    83,856,165.60x = 4,825,842,024,133,518
  5. Step 5: Solve for x
    x = 4,825,842,024,133,518/83,856,165.60
  6. Step 6: Final answer
    x = 57,549,042.33

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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.