Home / 80,665,902.40-120,998,853.60-26,813,214.40

Finding the Fourth Proportional to 80,665,902.40, 120,998,853.60 and 26,813,214.40

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Solution

The fourth proportional to 80,665,902.40, 120,998,853.60 and 26,813,214.40 is: 40,219,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,665,902.40 : 120,998,853.60 = 26,813,214.40 : x
  2. Step 2: Convert to fraction form
    80,665,902.40/120,998,853.60 = 26,813,214.40/x
  3. Step 3: Cross multiply
    80,665,902.40x = 120,998,853.60 × 26,813,214.40
  4. Step 4: Simplify right side
    80,665,902.40x = 3,244,368,203,731,011.50
  5. Step 5: Solve for x
    x = 3,244,368,203,731,011.50/80,665,902.40
  6. Step 6: Final answer
    x = 40,219,821.60

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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.