Home / 141,853,766.40-212,780,649.60-50,986,540.80

Finding the Fourth Proportional to 141,853,766.40, 212,780,649.60 and 50,986,540.80

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Solution

The fourth proportional to 141,853,766.40, 212,780,649.60 and 50,986,540.80 is: 76,479,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,853,766.40 : 212,780,649.60 = 50,986,540.80 : x
  2. Step 2: Convert to fraction form
    141,853,766.40/212,780,649.60 = 50,986,540.80/x
  3. Step 3: Cross multiply
    141,853,766.40x = 212,780,649.60 × 50,986,540.80
  4. Step 4: Simplify right side
    141,853,766.40x = 10,848,949,272,280,902
  5. Step 5: Solve for x
    x = 10,848,949,272,280,902/141,853,766.40
  6. Step 6: Final answer
    x = 76,479,811.20

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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.