Home / 209,777,314.97-314,694,689.15-71,565,813.61

Finding the Fourth Proportional to 209,777,314.97, 314,694,689.15 and 71,565,813.61

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Solution

The fourth proportional to 209,777,314.97, 314,694,689.15 and 71,565,813.61 is: 107,358,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,777,314.97 : 314,694,689.15 = 71,565,813.61 : x
  2. Step 2: Convert to fraction form
    209,777,314.97/314,694,689.15 = 71,565,813.61/x
  3. Step 3: Cross multiply
    209,777,314.97x = 314,694,689.15 × 71,565,813.61
  4. Step 4: Simplify right side
    209,777,314.97x = 22,521,381,467,157,964
  5. Step 5: Solve for x
    x = 22,521,381,467,157,964/209,777,314.97
  6. Step 6: Final answer
    x = 107,358,517.15

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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.