Home / 170,202,458.20-254,925,773.70-139,969,370.20

Finding the Fourth Proportional to 170,202,458.20, 254,925,773.70 and 139,969,370.20

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Solution

The fourth proportional to 170,202,458.20, 254,925,773.70 and 139,969,370.20 is: 209,643,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,202,458.20 : 254,925,773.70 = 139,969,370.20 : x
  2. Step 2: Convert to fraction form
    170,202,458.20/254,925,773.70 = 139,969,370.20/x
  3. Step 3: Cross multiply
    170,202,458.20x = 254,925,773.70 × 139,969,370.20
  4. Step 4: Simplify right side
    170,202,458.20x = 35,681,799,992,536,720
  5. Step 5: Solve for x
    x = 35,681,799,992,536,720/170,202,458.20
  6. Step 6: Final answer
    x = 209,643,270.55

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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.