Home / 80,729,041.30-111,498,753.09-58,800,237.46

Finding the Fourth Proportional to 80,729,041.30, 111,498,753.09 and 58,800,237.46

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Solution

The fourth proportional to 80,729,041.30, 111,498,753.09 and 58,800,237.46 is: 81,211,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,729,041.30 : 111,498,753.09 = 58,800,237.46 : x
  2. Step 2: Convert to fraction form
    80,729,041.30/111,498,753.09 = 58,800,237.46/x
  3. Step 3: Cross multiply
    80,729,041.30x = 111,498,753.09 × 58,800,237.46
  4. Step 4: Simplify right side
    80,729,041.30x = 6,556,153,158,185,909
  5. Step 5: Solve for x
    x = 6,556,153,158,185,909/80,729,041.30
  6. Step 6: Final answer
    x = 81,211,829.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.