Home / 123,897,687.40-185,846,531.10-75,524,746.60

Finding the Fourth Proportional to 123,897,687.40, 185,846,531.10 and 75,524,746.60

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Solution

The fourth proportional to 123,897,687.40, 185,846,531.10 and 75,524,746.60 is: 113,287,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,897,687.40 : 185,846,531.10 = 75,524,746.60 : x
  2. Step 2: Convert to fraction form
    123,897,687.40/185,846,531.10 = 75,524,746.60/x
  3. Step 3: Cross multiply
    123,897,687.40x = 185,846,531.10 × 75,524,746.60
  4. Step 4: Simplify right side
    123,897,687.40x = 14,036,012,167,816,518
  5. Step 5: Solve for x
    x = 14,036,012,167,816,518/123,897,687.40
  6. Step 6: Final answer
    x = 113,287,119.90

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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.