Home / 82,545,173.85-123,817,760.78-63,472,201.05

Finding the Fourth Proportional to 82,545,173.85, 123,817,760.78 and 63,472,201.05

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Solution

The fourth proportional to 82,545,173.85, 123,817,760.78 and 63,472,201.05 is: 95,208,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,545,173.85 : 123,817,760.78 = 63,472,201.05 : x
  2. Step 2: Convert to fraction form
    82,545,173.85/123,817,760.78 = 63,472,201.05/x
  3. Step 3: Cross multiply
    82,545,173.85x = 123,817,760.78 × 63,472,201.05
  4. Step 4: Simplify right side
    82,545,173.85x = 7,858,985,805,471,604
  5. Step 5: Solve for x
    x = 7,858,985,805,471,604/82,545,173.85
  6. Step 6: Final answer
    x = 95,208,301.58

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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.