Home / 80,903,393.57-121,441,448.30-34,867,981.55

Finding the Fourth Proportional to 80,903,393.57, 121,441,448.30 and 34,867,981.55

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Solution

The fourth proportional to 80,903,393.57, 121,441,448.30 and 34,867,981.55 is: 52,339,191.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903,393.57 : 121,441,448.30 = 34,867,981.55 : x
  2. Step 2: Convert to fraction form
    80,903,393.57/121,441,448.30 = 34,867,981.55/x
  3. Step 3: Cross multiply
    80,903,393.57x = 121,441,448.30 × 34,867,981.55
  4. Step 4: Simplify right side
    80,903,393.57x = 4,234,418,177,948,132
  5. Step 5: Solve for x
    x = 4,234,418,177,948,132/80,903,393.57
  6. Step 6: Final answer
    x = 52,339,191.12

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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.