Home / 80,903,402.19-121,441,461.21-34,867,990.17

Finding the Fourth Proportional to 80,903,402.19, 121,441,461.21 and 34,867,990.17

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Solution

The fourth proportional to 80,903,402.19, 121,441,461.21 and 34,867,990.17 is: 52,339,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903,402.19 : 121,441,461.21 = 34,867,990.17 : x
  2. Step 2: Convert to fraction form
    80,903,402.19/121,441,461.21 = 34,867,990.17/x
  3. Step 3: Cross multiply
    80,903,402.19x = 121,441,461.21 × 34,867,990.17
  4. Step 4: Simplify right side
    80,903,402.19x = 4,234,419,675,700,716.50
  5. Step 5: Solve for x
    x = 4,234,419,675,700,716.50/80,903,402.19
  6. Step 6: Final answer
    x = 52,339,204.05

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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.