Home / 67,182,057.20-100,773,085.80-53,745,129.20

Finding the Fourth Proportional to 67,182,057.20, 100,773,085.80 and 53,745,129.20

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Solution

The fourth proportional to 67,182,057.20, 100,773,085.80 and 53,745,129.20 is: 80,617,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,182,057.20 : 100,773,085.80 = 53,745,129.20 : x
  2. Step 2: Convert to fraction form
    67,182,057.20/100,773,085.80 = 53,745,129.20/x
  3. Step 3: Cross multiply
    67,182,057.20x = 100,773,085.80 × 53,745,129.20
  4. Step 4: Simplify right side
    67,182,057.20x = 5,416,062,516,203,686
  5. Step 5: Solve for x
    x = 5,416,062,516,203,686/67,182,057.20
  6. Step 6: Final answer
    x = 80,617,693.80

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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.