Home / 99,853,494.40-149,780,241.60-83,729,180.80

Finding the Fourth Proportional to 99,853,494.40, 149,780,241.60 and 83,729,180.80

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Solution

The fourth proportional to 99,853,494.40, 149,780,241.60 and 83,729,180.80 is: 125,593,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,853,494.40 : 149,780,241.60 = 83,729,180.80 : x
  2. Step 2: Convert to fraction form
    99,853,494.40/149,780,241.60 = 83,729,180.80/x
  3. Step 3: Cross multiply
    99,853,494.40x = 149,780,241.60 × 83,729,180.80
  4. Step 4: Simplify right side
    99,853,494.40x = 12,540,976,929,194,080
  5. Step 5: Solve for x
    x = 12,540,976,929,194,080/99,853,494.40
  6. Step 6: Final answer
    x = 125,593,771.20

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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.