Home / 123,897,688.40-185,846,532.60-75,524,747.60

Finding the Fourth Proportional to 123,897,688.40, 185,846,532.60 and 75,524,747.60

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Solution

The fourth proportional to 123,897,688.40, 185,846,532.60 and 75,524,747.60 is: 113,287,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,897,688.40 : 185,846,532.60 = 75,524,747.60 : x
  2. Step 2: Convert to fraction form
    123,897,688.40/185,846,532.60 = 75,524,747.60/x
  3. Step 3: Cross multiply
    123,897,688.40x = 185,846,532.60 × 75,524,747.60
  4. Step 4: Simplify right side
    123,897,688.40x = 14,036,012,466,950,170
  5. Step 5: Solve for x
    x = 14,036,012,466,950,170/123,897,688.40
  6. Step 6: Final answer
    x = 113,287,121.40

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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.