Home / 129,482,839.98-194,240,422.04-50,689,169.91

Finding the Fourth Proportional to 129,482,839.98, 194,240,422.04 and 50,689,169.91

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Solution

The fourth proportional to 129,482,839.98, 194,240,422.04 and 50,689,169.91 is: 76,040,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,482,839.98 : 194,240,422.04 = 50,689,169.91 : x
  2. Step 2: Convert to fraction form
    129,482,839.98/194,240,422.04 = 50,689,169.91/x
  3. Step 3: Cross multiply
    129,482,839.98x = 194,240,422.04 × 50,689,169.91
  4. Step 4: Simplify right side
    129,482,839.98x = 9,845,885,755,922,222
  5. Step 5: Solve for x
    x = 9,845,885,755,922,222/129,482,839.98
  6. Step 6: Final answer
    x = 76,040,081.89

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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.