Home / 280,092,000.90-419,854,566.15-165,017,309.70

Finding the Fourth Proportional to 280,092,000.90, 419,854,566.15 and 165,017,309.70

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Solution

The fourth proportional to 280,092,000.90, 419,854,566.15 and 165,017,309.70 is: 247,358,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,092,000.90 : 419,854,566.15 = 165,017,309.70 : x
  2. Step 2: Convert to fraction form
    280,092,000.90/419,854,566.15 = 165,017,309.70/x
  3. Step 3: Cross multiply
    280,092,000.90x = 419,854,566.15 × 165,017,309.70
  4. Step 4: Simplify right side
    280,092,000.90x = 69,283,270,971,333,680
  5. Step 5: Solve for x
    x = 69,283,270,971,333,680/280,092,000.90
  6. Step 6: Final answer
    x = 247,358,977.58

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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.