Home / 168,402,377.70-252,603,566.55-143,743,515.30

Finding the Fourth Proportional to 168,402,377.70, 252,603,566.55 and 143,743,515.30

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Solution

The fourth proportional to 168,402,377.70, 252,603,566.55 and 143,743,515.30 is: 215,615,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,402,377.70 : 252,603,566.55 = 143,743,515.30 : x
  2. Step 2: Convert to fraction form
    168,402,377.70/252,603,566.55 = 143,743,515.30/x
  3. Step 3: Cross multiply
    168,402,377.70x = 252,603,566.55 × 143,743,515.30
  4. Step 4: Simplify right side
    168,402,377.70x = 36,310,124,633,214,496
  5. Step 5: Solve for x
    x = 36,310,124,633,214,496/168,402,377.70
  6. Step 6: Final answer
    x = 215,615,272.95

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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.