Home / 121,784,358.60-182,676,537.90-109,691,123.40

Finding the Fourth Proportional to 121,784,358.60, 182,676,537.90 and 109,691,123.40

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Solution

The fourth proportional to 121,784,358.60, 182,676,537.90 and 109,691,123.40 is: 164,536,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,784,358.60 : 182,676,537.90 = 109,691,123.40 : x
  2. Step 2: Convert to fraction form
    121,784,358.60/182,676,537.90 = 109,691,123.40/x
  3. Step 3: Cross multiply
    121,784,358.60x = 182,676,537.90 × 109,691,123.40
  4. Step 4: Simplify right side
    121,784,358.60x = 20,037,994,661,073,680
  5. Step 5: Solve for x
    x = 20,037,994,661,073,680/121,784,358.60
  6. Step 6: Final answer
    x = 164,536,685.10

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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.