Home / 80,928,542.80-121,336,049.40-29,803,934.80

Finding the Fourth Proportional to 80,928,542.80, 121,336,049.40 and 29,803,934.80

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Solution

The fourth proportional to 80,928,542.80, 121,336,049.40 and 29,803,934.80 is: 44,684,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,928,542.80 : 121,336,049.40 = 29,803,934.80 : x
  2. Step 2: Convert to fraction form
    80,928,542.80/121,336,049.40 = 29,803,934.80/x
  3. Step 3: Cross multiply
    80,928,542.80x = 121,336,049.40 × 29,803,934.80
  4. Step 4: Simplify right side
    80,928,542.80x = 3,616,291,705,207,179.50
  5. Step 5: Solve for x
    x = 3,616,291,705,207,179.50/80,928,542.80
  6. Step 6: Final answer
    x = 44,684,997.16

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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.