Home / 131,327,998.20-196,991,997.30-70,861,822.20

Finding the Fourth Proportional to 131,327,998.20, 196,991,997.30 and 70,861,822.20

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Solution

The fourth proportional to 131,327,998.20, 196,991,997.30 and 70,861,822.20 is: 106,292,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,327,998.20 : 196,991,997.30 = 70,861,822.20 : x
  2. Step 2: Convert to fraction form
    131,327,998.20/196,991,997.30 = 70,861,822.20/x
  3. Step 3: Cross multiply
    131,327,998.20x = 196,991,997.30 × 70,861,822.20
  4. Step 4: Simplify right side
    131,327,998.20x = 13,959,211,887,495,482
  5. Step 5: Solve for x
    x = 13,959,211,887,495,482/131,327,998.20
  6. Step 6: Final answer
    x = 106,292,733.30

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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.