Home / 280,092,132.40-419,854,763.40-165,017,441.20

Finding the Fourth Proportional to 280,092,132.40, 419,854,763.40 and 165,017,441.20

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Solution

The fourth proportional to 280,092,132.40, 419,854,763.40 and 165,017,441.20 is: 247,359,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,092,132.40 : 419,854,763.40 = 165,017,441.20 : x
  2. Step 2: Convert to fraction form
    280,092,132.40/419,854,763.40 = 165,017,441.20/x
  3. Step 3: Cross multiply
    280,092,132.40x = 419,854,763.40 × 165,017,441.20
  4. Step 4: Simplify right side
    280,092,132.40x = 69,283,358,731,899,400
  5. Step 5: Solve for x
    x = 69,283,358,731,899,400/280,092,132.40
  6. Step 6: Final answer
    x = 247,359,174.78

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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.