Home / 80,923,977.60-121,401,712.80-23,418,124.80

Finding the Fourth Proportional to 80,923,977.60, 121,401,712.80 and 23,418,124.80

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Solution

The fourth proportional to 80,923,977.60, 121,401,712.80 and 23,418,124.80 is: 35,131,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,923,977.60 : 121,401,712.80 = 23,418,124.80 : x
  2. Step 2: Convert to fraction form
    80,923,977.60/121,401,712.80 = 23,418,124.80/x
  3. Step 3: Cross multiply
    80,923,977.60x = 121,401,712.80 × 23,418,124.80
  4. Step 4: Simplify right side
    80,923,977.60x = 2,843,000,461,284,157.50
  5. Step 5: Solve for x
    x = 2,843,000,461,284,157.50/80,923,977.60
  6. Step 6: Final answer
    x = 35,131,743.96

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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.