Home / 147,126,851.20-220,690,276.80-130,971,044.80

Finding the Fourth Proportional to 147,126,851.20, 220,690,276.80 and 130,971,044.80

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Solution

The fourth proportional to 147,126,851.20, 220,690,276.80 and 130,971,044.80 is: 196,456,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,126,851.20 : 220,690,276.80 = 130,971,044.80 : x
  2. Step 2: Convert to fraction form
    147,126,851.20/220,690,276.80 = 130,971,044.80/x
  3. Step 3: Cross multiply
    147,126,851.20x = 220,690,276.80 × 130,971,044.80
  4. Step 4: Simplify right side
    147,126,851.20x = 28,904,036,129,697,200
  5. Step 5: Solve for x
    x = 28,904,036,129,697,200/147,126,851.20
  6. Step 6: Final answer
    x = 196,456,567.20

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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.