Home / 71,005,972.80-106,508,959.20-58,240,891.20

Finding the Fourth Proportional to 71,005,972.80, 106,508,959.20 and 58,240,891.20

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Solution

The fourth proportional to 71,005,972.80, 106,508,959.20 and 58,240,891.20 is: 87,361,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,005,972.80 : 106,508,959.20 = 58,240,891.20 : x
  2. Step 2: Convert to fraction form
    71,005,972.80/106,508,959.20 = 58,240,891.20/x
  3. Step 3: Cross multiply
    71,005,972.80x = 106,508,959.20 × 58,240,891.20
  4. Step 4: Simplify right side
    71,005,972.80x = 6,203,176,704,592,440
  5. Step 5: Solve for x
    x = 6,203,176,704,592,440/71,005,972.80
  6. Step 6: Final answer
    x = 87,361,336.80

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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.