Home / 280,092,693.40-419,855,604.90-165,018,002.20

Finding the Fourth Proportional to 280,092,693.40, 419,855,604.90 and 165,018,002.20

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Solution

The fourth proportional to 280,092,693.40, 419,855,604.90 and 165,018,002.20 is: 247,360,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,092,693.40 : 419,855,604.90 = 165,018,002.20 : x
  2. Step 2: Convert to fraction form
    280,092,693.40/419,855,604.90 = 165,018,002.20/x
  3. Step 3: Cross multiply
    280,092,693.40x = 419,855,604.90 × 165,018,002.20
  4. Step 4: Simplify right side
    280,092,693.40x = 69,283,733,133,070,520
  5. Step 5: Solve for x
    x = 69,283,733,133,070,520/280,092,693.40
  6. Step 6: Final answer
    x = 247,360,016.04

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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.