Home / 80,903,077.71-121,440,976.20-34,867,665.69

Finding the Fourth Proportional to 80,903,077.71, 121,440,976.20 and 34,867,665.69

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Solution

The fourth proportional to 80,903,077.71, 121,440,976.20 and 34,867,665.69 is: 52,338,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903,077.71 : 121,440,976.20 = 34,867,665.69 : x
  2. Step 2: Convert to fraction form
    80,903,077.71/121,440,976.20 = 34,867,665.69/x
  3. Step 3: Cross multiply
    80,903,077.71x = 121,440,976.20 × 34,867,665.69
  4. Step 4: Simplify right side
    80,903,077.71x = 4,234,363,359,208,846.50
  5. Step 5: Solve for x
    x = 4,234,363,359,208,846.50/80,903,077.71
  6. Step 6: Final answer
    x = 52,338,717.87

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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.