Home / 80,575,308.80-120,862,963.20-26,715,622.40

Finding the Fourth Proportional to 80,575,308.80, 120,862,963.20 and 26,715,622.40

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Solution

The fourth proportional to 80,575,308.80, 120,862,963.20 and 26,715,622.40 is: 40,073,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,575,308.80 : 120,862,963.20 = 26,715,622.40 : x
  2. Step 2: Convert to fraction form
    80,575,308.80/120,862,963.20 = 26,715,622.40/x
  3. Step 3: Cross multiply
    80,575,308.80x = 120,862,963.20 × 26,715,622.40
  4. Step 4: Simplify right side
    80,575,308.80x = 3,228,929,286,996,295.50
  5. Step 5: Solve for x
    x = 3,228,929,286,996,295.50/80,575,308.80
  6. Step 6: Final answer
    x = 40,073,433.60

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1.5x scale

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.