Home / 148,916,105.40-223,374,158.10-100,543,164.60

Finding the Fourth Proportional to 148,916,105.40, 223,374,158.10 and 100,543,164.60

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Solution

The fourth proportional to 148,916,105.40, 223,374,158.10 and 100,543,164.60 is: 150,814,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,916,105.40 : 223,374,158.10 = 100,543,164.60 : x
  2. Step 2: Convert to fraction form
    148,916,105.40/223,374,158.10 = 100,543,164.60/x
  3. Step 3: Cross multiply
    148,916,105.40x = 223,374,158.10 × 100,543,164.60
  4. Step 4: Simplify right side
    148,916,105.40x = 22,458,744,745,234,720
  5. Step 5: Solve for x
    x = 22,458,744,745,234,720/148,916,105.40
  6. Step 6: Final answer
    x = 150,814,746.90

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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.