Home / 80,729,040.80-111,498,752.40-58,800,236.96

Finding the Fourth Proportional to 80,729,040.80, 111,498,752.40 and 58,800,236.96

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Solution

The fourth proportional to 80,729,040.80, 111,498,752.40 and 58,800,236.96 is: 81,211,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,729,040.80 : 111,498,752.40 = 58,800,236.96 : x
  2. Step 2: Convert to fraction form
    80,729,040.80/111,498,752.40 = 58,800,236.96/x
  3. Step 3: Cross multiply
    80,729,040.80x = 111,498,752.40 × 58,800,236.96
  4. Step 4: Simplify right side
    80,729,040.80x = 6,556,153,061,864,369
  5. Step 5: Solve for x
    x = 6,556,153,061,864,369/80,729,040.80
  6. Step 6: Final answer
    x = 81,211,829.06

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1.5x scale

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.