Home / 121,784,363.10-182,676,544.65-109,691,127.90

Finding the Fourth Proportional to 121,784,363.10, 182,676,544.65 and 109,691,127.90

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Solution

The fourth proportional to 121,784,363.10, 182,676,544.65 and 109,691,127.90 is: 164,536,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,784,363.10 : 182,676,544.65 = 109,691,127.90 : x
  2. Step 2: Convert to fraction form
    121,784,363.10/182,676,544.65 = 109,691,127.90/x
  3. Step 3: Cross multiply
    121,784,363.10x = 182,676,544.65 × 109,691,127.90
  4. Step 4: Simplify right side
    121,784,363.10x = 20,037,996,223,533,212
  5. Step 5: Solve for x
    x = 20,037,996,223,533,212/121,784,363.10
  6. Step 6: Final answer
    x = 164,536,691.85

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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.