Home / 131,328,045.70-196,992,068.55-79,595,872.90

Finding the Fourth Proportional to 131,328,045.70, 196,992,068.55 and 79,595,872.90

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Solution

The fourth proportional to 131,328,045.70, 196,992,068.55 and 79,595,872.90 is: 119,393,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,045.70 : 196,992,068.55 = 79,595,872.90 : x
  2. Step 2: Convert to fraction form
    131,328,045.70/196,992,068.55 = 79,595,872.90/x
  3. Step 3: Cross multiply
    131,328,045.70x = 196,992,068.55 × 79,595,872.90
  4. Step 4: Simplify right side
    131,328,045.70x = 15,679,755,650,613,890
  5. Step 5: Solve for x
    x = 15,679,755,650,613,890/131,328,045.70
  6. Step 6: Final answer
    x = 119,393,809.35

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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.