Home / 145,764,000.20-218,729,981.10-54,952,761.80

Finding the Fourth Proportional to 145,764,000.20, 218,729,981.10 and 54,952,761.80

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Solution

The fourth proportional to 145,764,000.20, 218,729,981.10 and 54,952,761.80 is: 82,460,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,764,000.20 : 218,729,981.10 = 54,952,761.80 : x
  2. Step 2: Convert to fraction form
    145,764,000.20/218,729,981.10 = 54,952,761.80/x
  3. Step 3: Cross multiply
    145,764,000.20x = 218,729,981.10 × 54,952,761.80
  4. Step 4: Simplify right side
    145,764,000.20x = 12,019,816,549,906,802
  5. Step 5: Solve for x
    x = 12,019,816,549,906,802/145,764,000.20
  6. Step 6: Final answer
    x = 82,460,803.31

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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.