Home / 217,314,711.90-325,860,093.45-80,929,892.70

Finding the Fourth Proportional to 217,314,711.90, 325,860,093.45 and 80,929,892.70

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Solution

The fourth proportional to 217,314,711.90, 325,860,093.45 and 80,929,892.70 is: 121,353,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,314,711.90 : 325,860,093.45 = 80,929,892.70 : x
  2. Step 2: Convert to fraction form
    217,314,711.90/325,860,093.45 = 80,929,892.70/x
  3. Step 3: Cross multiply
    217,314,711.90x = 325,860,093.45 × 80,929,892.70
  4. Step 4: Simplify right side
    217,314,711.90x = 26,371,822,398,120,472
  5. Step 5: Solve for x
    x = 26,371,822,398,120,472/217,314,711.90
  6. Step 6: Final answer
    x = 121,353,138.81

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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.