Home / 82,299,009.60-123,206,351.13-54,937,438.02

Finding the Fourth Proportional to 82,299,009.60, 123,206,351.13 and 54,937,438.02

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Solution

The fourth proportional to 82,299,009.60, 123,206,351.13 and 54,937,438.02 is: 82,244,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,299,009.60 : 123,206,351.13 = 54,937,438.02 : x
  2. Step 2: Convert to fraction form
    82,299,009.60/123,206,351.13 = 54,937,438.02/x
  3. Step 3: Cross multiply
    82,299,009.60x = 123,206,351.13 × 54,937,438.02
  4. Step 4: Simplify right side
    82,299,009.60x = 6,768,641,278,874,732
  5. Step 5: Solve for x
    x = 6,768,641,278,874,732/82,299,009.60
  6. Step 6: Final answer
    x = 82,244,504.66

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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.