Home / 280,082,708.90-420,118,194.12-93,350,169.90

Finding the Fourth Proportional to 280,082,708.90, 420,118,194.12 and 93,350,169.90

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Solution

The fourth proportional to 280,082,708.90, 420,118,194.12 and 93,350,169.90 is: 140,023,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,082,708.90 : 420,118,194.12 = 93,350,169.90 : x
  2. Step 2: Convert to fraction form
    280,082,708.90/420,118,194.12 = 93,350,169.90/x
  3. Step 3: Cross multiply
    280,082,708.90x = 420,118,194.12 × 93,350,169.90
  4. Step 4: Simplify right side
    280,082,708.90x = 39,218,104,799,183,184
  5. Step 5: Solve for x
    x = 39,218,104,799,183,184/280,082,708.90
  6. Step 6: Final answer
    x = 140,023,298.66

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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.