Home / 79,156,439.59-118,749,575.18-29,987,020.05

Finding the Fourth Proportional to 79,156,439.59, 118,749,575.18 and 29,987,020.05

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Solution

The fourth proportional to 79,156,439.59, 118,749,575.18 and 29,987,020.05 is: 44,986,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,156,439.59 : 118,749,575.18 = 29,987,020.05 : x
  2. Step 2: Convert to fraction form
    79,156,439.59/118,749,575.18 = 29,987,020.05/x
  3. Step 3: Cross multiply
    79,156,439.59x = 118,749,575.18 × 29,987,020.05
  4. Step 4: Simplify right side
    79,156,439.59x = 3,560,945,891,368,847.50
  5. Step 5: Solve for x
    x = 3,560,945,891,368,847.50/79,156,439.59
  6. Step 6: Final answer
    x = 44,986,180.66

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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.