Home / 79,231,373.20-118,847,059.80-54,572,510.80

Finding the Fourth Proportional to 79,231,373.20, 118,847,059.80 and 54,572,510.80

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Solution

The fourth proportional to 79,231,373.20, 118,847,059.80 and 54,572,510.80 is: 81,858,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,231,373.20 : 118,847,059.80 = 54,572,510.80 : x
  2. Step 2: Convert to fraction form
    79,231,373.20/118,847,059.80 = 54,572,510.80/x
  3. Step 3: Cross multiply
    79,231,373.20x = 118,847,059.80 × 54,572,510.80
  4. Step 4: Simplify right side
    79,231,373.20x = 6,485,782,454,483,745
  5. Step 5: Solve for x
    x = 6,485,782,454,483,745/79,231,373.20
  6. Step 6: Final answer
    x = 81,858,766.20

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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.