Home / 89,542,630.30-134,313,945.45-82,376,268.70

Finding the Fourth Proportional to 89,542,630.30, 134,313,945.45 and 82,376,268.70

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Solution

The fourth proportional to 89,542,630.30, 134,313,945.45 and 82,376,268.70 is: 123,564,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542,630.30 : 134,313,945.45 = 82,376,268.70 : x
  2. Step 2: Convert to fraction form
    89,542,630.30/134,313,945.45 = 82,376,268.70/x
  3. Step 3: Cross multiply
    89,542,630.30x = 134,313,945.45 × 82,376,268.70
  4. Step 4: Simplify right side
    89,542,630.30x = 11,064,281,660,546,342
  5. Step 5: Solve for x
    x = 11,064,281,660,546,342/89,542,630.30
  6. Step 6: Final answer
    x = 123,564,403.05

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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.