Home / 84,218,228.20-126,327,342.30-26,714,999.80

Finding the Fourth Proportional to 84,218,228.20, 126,327,342.30 and 26,714,999.80

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Solution

The fourth proportional to 84,218,228.20, 126,327,342.30 and 26,714,999.80 is: 40,072,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218,228.20 : 126,327,342.30 = 26,714,999.80 : x
  2. Step 2: Convert to fraction form
    84,218,228.20/126,327,342.30 = 26,714,999.80/x
  3. Step 3: Cross multiply
    84,218,228.20x = 126,327,342.30 × 26,714,999.80
  4. Step 4: Simplify right side
    84,218,228.20x = 3,374,834,924,279,031.50
  5. Step 5: Solve for x
    x = 3,374,834,924,279,031.50/84,218,228.20
  6. Step 6: Final answer
    x = 40,072,499.70

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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.