Home / 87,407,999.10-131,111,998.65-47,097,215.10

Finding the Fourth Proportional to 87,407,999.10, 131,111,998.65 and 47,097,215.10

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Solution

The fourth proportional to 87,407,999.10, 131,111,998.65 and 47,097,215.10 is: 70,645,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,407,999.10 : 131,111,998.65 = 47,097,215.10 : x
  2. Step 2: Convert to fraction form
    87,407,999.10/131,111,998.65 = 47,097,215.10/x
  3. Step 3: Cross multiply
    87,407,999.10x = 131,111,998.65 × 47,097,215.10
  4. Step 4: Simplify right side
    87,407,999.10x = 6,175,010,002,609,960
  5. Step 5: Solve for x
    x = 6,175,010,002,609,960/87,407,999.10
  6. Step 6: Final answer
    x = 70,645,822.65

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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.