Home / 135,017,849.54-186,320,781.69-79,262,373.38

Finding the Fourth Proportional to 135,017,849.54, 186,320,781.69 and 79,262,373.38

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Solution

The fourth proportional to 135,017,849.54, 186,320,781.69 and 79,262,373.38 is: 109,379,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,017,849.54 : 186,320,781.69 = 79,262,373.38 : x
  2. Step 2: Convert to fraction form
    135,017,849.54/186,320,781.69 = 79,262,373.38/x
  3. Step 3: Cross multiply
    135,017,849.54x = 186,320,781.69 × 79,262,373.38
  4. Step 4: Simplify right side
    135,017,849.54x = 14,768,227,366,766,246
  5. Step 5: Solve for x
    x = 14,768,227,366,766,246/135,017,849.54
  6. Step 6: Final answer
    x = 109,379,814.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.