Home / 136,664,581.60-204,996,872.40-126,142,049.80

Finding the Fourth Proportional to 136,664,581.60, 204,996,872.40 and 126,142,049.80

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Solution

The fourth proportional to 136,664,581.60, 204,996,872.40 and 126,142,049.80 is: 189,213,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,664,581.60 : 204,996,872.40 = 126,142,049.80 : x
  2. Step 2: Convert to fraction form
    136,664,581.60/204,996,872.40 = 126,142,049.80/x
  3. Step 3: Cross multiply
    136,664,581.60x = 204,996,872.40 × 126,142,049.80
  4. Step 4: Simplify right side
    136,664,581.60x = 25,858,725,687,125,044
  5. Step 5: Solve for x
    x = 25,858,725,687,125,044/136,664,581.60
  6. Step 6: Final answer
    x = 189,213,074.70

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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.