Home / 88,576,919.20-132,865,378.80-80,924,168.80

Finding the Fourth Proportional to 88,576,919.20, 132,865,378.80 and 80,924,168.80

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Solution

The fourth proportional to 88,576,919.20, 132,865,378.80 and 80,924,168.80 is: 121,386,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,576,919.20 : 132,865,378.80 = 80,924,168.80 : x
  2. Step 2: Convert to fraction form
    88,576,919.20/132,865,378.80 = 80,924,168.80/x
  3. Step 3: Cross multiply
    88,576,919.20x = 132,865,378.80 × 80,924,168.80
  4. Step 4: Simplify right side
    88,576,919.20x = 10,752,020,341,687,140
  5. Step 5: Solve for x
    x = 10,752,020,341,687,140/88,576,919.20
  6. Step 6: Final answer
    x = 121,386,253.20

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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.