Home / 180,278,960.45-270,418,020.14-118,420,738.29

Finding the Fourth Proportional to 180,278,960.45, 270,418,020.14 and 118,420,738.29

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Solution

The fourth proportional to 180,278,960.45, 270,418,020.14 and 118,420,738.29 is: 177,630,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,278,960.45 : 270,418,020.14 = 118,420,738.29 : x
  2. Step 2: Convert to fraction form
    180,278,960.45/270,418,020.14 = 118,420,738.29/x
  3. Step 3: Cross multiply
    180,278,960.45x = 270,418,020.14 × 118,420,738.29
  4. Step 4: Simplify right side
    180,278,960.45x = 32,023,101,592,194,940
  5. Step 5: Solve for x
    x = 32,023,101,592,194,940/180,278,960.45
  6. Step 6: Final answer
    x = 177,630,831.20

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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.