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Finding the Fourth Proportional to 295,502,205.88, 443,253,312.66 and 80,091,453.88

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Solution

The fourth proportional to 295,502,205.88, 443,253,312.66 and 80,091,453.88 is: 120,137,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,502,205.88 : 443,253,312.66 = 80,091,453.88 : x
  2. Step 2: Convert to fraction form
    295,502,205.88/443,253,312.66 = 80,091,453.88/x
  3. Step 3: Cross multiply
    295,502,205.88x = 443,253,312.66 × 80,091,453.88
  4. Step 4: Simplify right side
    295,502,205.88x = 35,500,802,248,065,612
  5. Step 5: Solve for x
    x = 35,500,802,248,065,612/295,502,205.88
  6. Step 6: Final answer
    x = 120,137,181.86

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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.