Home / 60,507,321.20-90,760,981.80-15,069,115.70

Finding the Fourth Proportional to 60,507,321.20, 90,760,981.80 and 15,069,115.70

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Solution

The fourth proportional to 60,507,321.20, 90,760,981.80 and 15,069,115.70 is: 22,603,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,507,321.20 : 90,760,981.80 = 15,069,115.70 : x
  2. Step 2: Convert to fraction form
    60,507,321.20/90,760,981.80 = 15,069,115.70/x
  3. Step 3: Cross multiply
    60,507,321.20x = 90,760,981.80 × 15,069,115.70
  4. Step 4: Simplify right side
    60,507,321.20x = 1,367,687,735,789,794.25
  5. Step 5: Solve for x
    x = 1,367,687,735,789,794.25/60,507,321.20
  6. Step 6: Final answer
    x = 22,603,673.55

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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.