Home / 221,165,114.40-331,324,657.20-118,895,162.40

Finding the Fourth Proportional to 221,165,114.40, 331,324,657.20 and 118,895,162.40

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Solution

The fourth proportional to 221,165,114.40, 331,324,657.20 and 118,895,162.40 is: 178,115,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,165,114.40 : 331,324,657.20 = 118,895,162.40 : x
  2. Step 2: Convert to fraction form
    221,165,114.40/331,324,657.20 = 118,895,162.40/x
  3. Step 3: Cross multiply
    221,165,114.40x = 331,324,657.20 × 118,895,162.40
  4. Step 4: Simplify right side
    221,165,114.40x = 39,392,898,924,918,328
  5. Step 5: Solve for x
    x = 39,392,898,924,918,328/221,165,114.40
  6. Step 6: Final answer
    x = 178,115,337.19

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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.