Home / 127,327,819.20-190,991,728.80-88,585,770.30

Finding the Fourth Proportional to 127,327,819.20, 190,991,728.80 and 88,585,770.30

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Solution

The fourth proportional to 127,327,819.20, 190,991,728.80 and 88,585,770.30 is: 132,878,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,327,819.20 : 190,991,728.80 = 88,585,770.30 : x
  2. Step 2: Convert to fraction form
    127,327,819.20/190,991,728.80 = 88,585,770.30/x
  3. Step 3: Cross multiply
    127,327,819.20x = 190,991,728.80 × 88,585,770.30
  4. Step 4: Simplify right side
    127,327,819.20x = 16,919,149,416,676,696
  5. Step 5: Solve for x
    x = 16,919,149,416,676,696/127,327,819.20
  6. Step 6: Final answer
    x = 132,878,655.45

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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.