Home / 80,907,468.60-121,376,949.30-23,401,615.80

Finding the Fourth Proportional to 80,907,468.60, 121,376,949.30 and 23,401,615.80

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Solution

The fourth proportional to 80,907,468.60, 121,376,949.30 and 23,401,615.80 is: 35,106,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,907,468.60 : 121,376,949.30 = 23,401,615.80 : x
  2. Step 2: Convert to fraction form
    80,907,468.60/121,376,949.30 = 23,401,615.80/x
  3. Step 3: Cross multiply
    80,907,468.60x = 121,376,949.30 × 23,401,615.80
  4. Step 4: Simplify right side
    80,907,468.60x = 2,840,416,734,494,679
  5. Step 5: Solve for x
    x = 2,840,416,734,494,679/80,907,468.60
  6. Step 6: Final answer
    x = 35,106,978.18

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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.