Home / 57,443,255.20-86,206,873.20-40,437,143.20

Finding the Fourth Proportional to 57,443,255.20, 86,206,873.20 and 40,437,143.20

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Solution

The fourth proportional to 57,443,255.20, 86,206,873.20 and 40,437,143.20 is: 60,685,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,443,255.20 : 86,206,873.20 = 40,437,143.20 : x
  2. Step 2: Convert to fraction form
    57,443,255.20/86,206,873.20 = 40,437,143.20/x
  3. Step 3: Cross multiply
    57,443,255.20x = 86,206,873.20 × 40,437,143.20
  4. Step 4: Simplify right side
    57,443,255.20x = 3,485,959,676,412,642.50
  5. Step 5: Solve for x
    x = 3,485,959,676,412,642.50/57,443,255.20
  6. Step 6: Final answer
    x = 60,685,273.92

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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.