Home / 80,218,072.80-120,320,110.80-26,365,384.80

Finding the Fourth Proportional to 80,218,072.80, 120,320,110.80 and 26,365,384.80

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Solution

The fourth proportional to 80,218,072.80, 120,320,110.80 and 26,365,384.80 is: 39,545,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,218,072.80 : 120,320,110.80 = 26,365,384.80 : x
  2. Step 2: Convert to fraction form
    80,218,072.80/120,320,110.80 = 26,365,384.80/x
  3. Step 3: Cross multiply
    80,218,072.80x = 120,320,110.80 × 26,365,384.80
  4. Step 4: Simplify right side
    80,218,072.80x = 3,172,286,020,420,636
  5. Step 5: Solve for x
    x = 3,172,286,020,420,636/80,218,072.80
  6. Step 6: Final answer
    x = 39,545,777.03

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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.