Home / 159,270,975.40-219,676,589.22-120,114,400.36

Finding the Fourth Proportional to 159,270,975.40, 219,676,589.22 and 120,114,400.36

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Solution

The fourth proportional to 159,270,975.40, 219,676,589.22 and 120,114,400.36 is: 165,669,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,270,975.40 : 219,676,589.22 = 120,114,400.36 : x
  2. Step 2: Convert to fraction form
    159,270,975.40/219,676,589.22 = 120,114,400.36/x
  3. Step 3: Cross multiply
    159,270,975.40x = 219,676,589.22 × 120,114,400.36
  4. Step 4: Simplify right side
    159,270,975.40x = 26,386,321,787,290,340
  5. Step 5: Solve for x
    x = 26,386,321,787,290,340/159,270,975.40
  6. Step 6: Final answer
    x = 165,669,367.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.