Home / 83,643,789.60-125,297,722.80-47,700,007.20

Finding the Fourth Proportional to 83,643,789.60, 125,297,722.80 and 47,700,007.20

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Solution

The fourth proportional to 83,643,789.60, 125,297,722.80 and 47,700,007.20 is: 71,454,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,643,789.60 : 125,297,722.80 = 47,700,007.20 : x
  2. Step 2: Convert to fraction form
    83,643,789.60/125,297,722.80 = 47,700,007.20/x
  3. Step 3: Cross multiply
    83,643,789.60x = 125,297,722.80 × 47,700,007.20
  4. Step 4: Simplify right side
    83,643,789.60x = 5,976,702,279,703,604
  5. Step 5: Solve for x
    x = 5,976,702,279,703,604/83,643,789.60
  6. Step 6: Final answer
    x = 71,454,226.41

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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.