Home / 129,486,807.70-194,230,211.55-88,672,138.90

Finding the Fourth Proportional to 129,486,807.70, 194,230,211.55 and 88,672,138.90

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Solution

The fourth proportional to 129,486,807.70, 194,230,211.55 and 88,672,138.90 is: 133,008,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,486,807.70 : 194,230,211.55 = 88,672,138.90 : x
  2. Step 2: Convert to fraction form
    129,486,807.70/194,230,211.55 = 88,672,138.90/x
  3. Step 3: Cross multiply
    129,486,807.70x = 194,230,211.55 × 88,672,138.90
  4. Step 4: Simplify right side
    129,486,807.70x = 17,222,808,297,137,986
  5. Step 5: Solve for x
    x = 17,222,808,297,137,986/129,486,807.70
  6. Step 6: Final answer
    x = 133,008,208.35

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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.