Home / 71,693,728,851.20-107,540,593,276.80-38,633,847,123.20

Finding the Fourth Proportional to 71,693,728,851.20, 107,540,593,276.80 and 38,633,847,123.20

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Solution

The fourth proportional to 71,693,728,851.20, 107,540,593,276.80 and 38,633,847,123.20 is: 57,950,770,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,693,728,851.20 : 107,540,593,276.80 = 38,633,847,123.20 : x
  2. Step 2: Convert to fraction form
    71,693,728,851.20/107,540,593,276.80 = 38,633,847,123.20/x
  3. Step 3: Cross multiply
    71,693,728,851.20x = 107,540,593,276.80 × 38,633,847,123.20
  4. Step 4: Simplify right side
    71,693,728,851.20x = 4,154,706,840,194,120,679,424
  5. Step 5: Solve for x
    x = 4,154,706,840,194,120,679,424/71,693,728,851.20
  6. Step 6: Final answer
    x = 57,950,770,684.80

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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.