Home / 168,503,879.40-252,755,819.10-145,829,063.40

Finding the Fourth Proportional to 168,503,879.40, 252,755,819.10 and 145,829,063.40

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Solution

The fourth proportional to 168,503,879.40, 252,755,819.10 and 145,829,063.40 is: 218,743,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,503,879.40 : 252,755,819.10 = 145,829,063.40 : x
  2. Step 2: Convert to fraction form
    168,503,879.40/252,755,819.10 = 145,829,063.40/x
  3. Step 3: Cross multiply
    168,503,879.40x = 252,755,819.10 × 145,829,063.40
  4. Step 4: Simplify right side
    168,503,879.40x = 36,859,144,368,252,832
  5. Step 5: Solve for x
    x = 36,859,144,368,252,832/168,503,879.40
  6. Step 6: Final answer
    x = 218,743,595.10

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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.