Home / 124,686,049.20-187,033,350.60-38,423,770.80

Finding the Fourth Proportional to 124,686,049.20, 187,033,350.60 and 38,423,770.80

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Solution

The fourth proportional to 124,686,049.20, 187,033,350.60 and 38,423,770.80 is: 57,636,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,686,049.20 : 187,033,350.60 = 38,423,770.80 : x
  2. Step 2: Convert to fraction form
    124,686,049.20/187,033,350.60 = 38,423,770.80/x
  3. Step 3: Cross multiply
    124,686,049.20x = 187,033,350.60 × 38,423,770.80
  4. Step 4: Simplify right side
    124,686,049.20x = 7,186,526,595,410,442
  5. Step 5: Solve for x
    x = 7,186,526,595,410,442/124,686,049.20
  6. Step 6: Final answer
    x = 57,636,974.16

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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.