Home / 87,893,999.10-131,840,998.65-83,415,023.10

Finding the Fourth Proportional to 87,893,999.10, 131,840,998.65 and 83,415,023.10

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Solution

The fourth proportional to 87,893,999.10, 131,840,998.65 and 83,415,023.10 is: 125,122,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,893,999.10 : 131,840,998.65 = 83,415,023.10 : x
  2. Step 2: Convert to fraction form
    87,893,999.10/131,840,998.65 = 83,415,023.10/x
  3. Step 3: Cross multiply
    87,893,999.10x = 131,840,998.65 × 83,415,023.10
  4. Step 4: Simplify right side
    87,893,999.10x = 10,997,519,947,916,818
  5. Step 5: Solve for x
    x = 10,997,519,947,916,818/87,893,999.10
  6. Step 6: Final answer
    x = 125,122,534.65

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Double scale
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Similar ratio
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1.5x scale

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.