Home / 211,320,601.70-316,980,902.55-102,198,049.70

Finding the Fourth Proportional to 211,320,601.70, 316,980,902.55 and 102,198,049.70

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Solution

The fourth proportional to 211,320,601.70, 316,980,902.55 and 102,198,049.70 is: 153,297,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,320,601.70 : 316,980,902.55 = 102,198,049.70 : x
  2. Step 2: Convert to fraction form
    211,320,601.70/316,980,902.55 = 102,198,049.70/x
  3. Step 3: Cross multiply
    211,320,601.70x = 316,980,902.55 × 102,198,049.70
  4. Step 4: Simplify right side
    211,320,601.70x = 32,394,830,032,755,760
  5. Step 5: Solve for x
    x = 32,394,830,032,755,760/211,320,601.70
  6. Step 6: Final answer
    x = 153,297,074.55

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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.