Home / 209,976,916.80-314,965,375.20-185,034,619.20

Finding the Fourth Proportional to 209,976,916.80, 314,965,375.20 and 185,034,619.20

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Solution

The fourth proportional to 209,976,916.80, 314,965,375.20 and 185,034,619.20 is: 277,551,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,976,916.80 : 314,965,375.20 = 185,034,619.20 : x
  2. Step 2: Convert to fraction form
    209,976,916.80/314,965,375.20 = 185,034,619.20/x
  3. Step 3: Cross multiply
    209,976,916.80x = 314,965,375.20 × 185,034,619.20
  4. Step 4: Simplify right side
    209,976,916.80x = 58,279,498,261,317,120
  5. Step 5: Solve for x
    x = 58,279,498,261,317,120/209,976,916.80
  6. Step 6: Final answer
    x = 277,551,928.80

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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.