Home / 73,514,133.60-110,271,200.40-72,380,392.80

Finding the Fourth Proportional to 73,514,133.60, 110,271,200.40 and 72,380,392.80

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Solution

The fourth proportional to 73,514,133.60, 110,271,200.40 and 72,380,392.80 is: 108,570,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,514,133.60 : 110,271,200.40 = 72,380,392.80 : x
  2. Step 2: Convert to fraction form
    73,514,133.60/110,271,200.40 = 72,380,392.80/x
  3. Step 3: Cross multiply
    73,514,133.60x = 110,271,200.40 × 72,380,392.80
  4. Step 4: Simplify right side
    73,514,133.60x = 7,981,472,799,479,517
  5. Step 5: Solve for x
    x = 7,981,472,799,479,517/73,514,133.60
  6. Step 6: Final answer
    x = 108,570,589.20

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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.