Home / 140,591,061.08-194,000,894.13-77,865,515.90

Finding the Fourth Proportional to 140,591,061.08, 194,000,894.13 and 77,865,515.90

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Solution

The fourth proportional to 140,591,061.08, 194,000,894.13 and 77,865,515.90 is: 107,446,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,591,061.08 : 194,000,894.13 = 77,865,515.90 : x
  2. Step 2: Convert to fraction form
    140,591,061.08/194,000,894.13 = 77,865,515.90/x
  3. Step 3: Cross multiply
    140,591,061.08x = 194,000,894.13 × 77,865,515.90
  4. Step 4: Simplify right side
    140,591,061.08x = 15,105,979,705,134,398
  5. Step 5: Solve for x
    x = 15,105,979,705,134,398/140,591,061.08
  6. Step 6: Final answer
    x = 107,446,231.57

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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.