Home / 141,794,247.20-212,691,370.80-121,386,912.80

Finding the Fourth Proportional to 141,794,247.20, 212,691,370.80 and 121,386,912.80

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Solution

The fourth proportional to 141,794,247.20, 212,691,370.80 and 121,386,912.80 is: 182,080,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,794,247.20 : 212,691,370.80 = 121,386,912.80 : x
  2. Step 2: Convert to fraction form
    141,794,247.20/212,691,370.80 = 121,386,912.80/x
  3. Step 3: Cross multiply
    141,794,247.20x = 212,691,370.80 × 121,386,912.80
  4. Step 4: Simplify right side
    141,794,247.20x = 25,817,948,880,612,068
  5. Step 5: Solve for x
    x = 25,817,948,880,612,068/141,794,247.20
  6. Step 6: Final answer
    x = 182,080,369.20

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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.