Home / 266,061,819.80-399,092,729.70-175,287,906.20

Finding the Fourth Proportional to 266,061,819.80, 399,092,729.70 and 175,287,906.20

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Solution

The fourth proportional to 266,061,819.80, 399,092,729.70 and 175,287,906.20 is: 262,931,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,061,819.80 : 399,092,729.70 = 175,287,906.20 : x
  2. Step 2: Convert to fraction form
    266,061,819.80/399,092,729.70 = 175,287,906.20/x
  3. Step 3: Cross multiply
    266,061,819.80x = 399,092,729.70 × 175,287,906.20
  4. Step 4: Simplify right side
    266,061,819.80x = 69,956,128,968,755,544
  5. Step 5: Solve for x
    x = 69,956,128,968,755,544/266,061,819.80
  6. Step 6: Final answer
    x = 262,931,859.30

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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.