Home / 83,174,583.40-124,750,065.30-28,589,687.80

Finding the Fourth Proportional to 83,174,583.40, 124,750,065.30 and 28,589,687.80

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Solution

The fourth proportional to 83,174,583.40, 124,750,065.30 and 28,589,687.80 is: 42,880,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,174,583.40 : 124,750,065.30 = 28,589,687.80 : x
  2. Step 2: Convert to fraction form
    83,174,583.40/124,750,065.30 = 28,589,687.80/x
  3. Step 3: Cross multiply
    83,174,583.40x = 124,750,065.30 × 28,589,687.80
  4. Step 4: Simplify right side
    83,174,583.40x = 3,566,565,419,956,613.50
  5. Step 5: Solve for x
    x = 3,566,565,419,956,613.50/83,174,583.40
  6. Step 6: Final answer
    x = 42,880,472.30

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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.