Home / 280,199,608.38-419,934,847.86-114,009,437.52

Finding the Fourth Proportional to 280,199,608.38, 419,934,847.86 and 114,009,437.52

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Solution

The fourth proportional to 280,199,608.38, 419,934,847.86 and 114,009,437.52 is: 170,865,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,199,608.38 : 419,934,847.86 = 114,009,437.52 : x
  2. Step 2: Convert to fraction form
    280,199,608.38/419,934,847.86 = 114,009,437.52/x
  3. Step 3: Cross multiply
    280,199,608.38x = 419,934,847.86 × 114,009,437.52
  4. Step 4: Simplify right side
    280,199,608.38x = 47,876,535,799,565,376
  5. Step 5: Solve for x
    x = 47,876,535,799,565,376/280,199,608.38
  6. Step 6: Final answer
    x = 170,865,819.82

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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.