Home / 129,614,262,584.10-194,115,629,114.55-80,080,371,204.90

Finding the Fourth Proportional to 129,614,262,584.10, 194,115,629,114.55 and 80,080,371,204.90

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Solution

The fourth proportional to 129,614,262,584.10, 194,115,629,114.55 and 80,080,371,204.90 is: 119,931,644,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,614,262,584.10 : 194,115,629,114.55 = 80,080,371,204.90 : x
  2. Step 2: Convert to fraction form
    129,614,262,584.10/194,115,629,114.55 = 80,080,371,204.90/x
  3. Step 3: Cross multiply
    129,614,262,584.10x = 194,115,629,114.55 × 80,080,371,204.90
  4. Step 4: Simplify right side
    129,614,262,584.10x = 15,544,851,636,165,856,460,800
  5. Step 5: Solve for x
    x = 15,544,851,636,165,856,460,800/129,614,262,584.10
  6. Step 6: Final answer
    x = 119,931,644,297.86

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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.