Home / 168,434,027.70-252,651,041.55-143,775,165.30

Finding the Fourth Proportional to 168,434,027.70, 252,651,041.55 and 143,775,165.30

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Solution

The fourth proportional to 168,434,027.70, 252,651,041.55 and 143,775,165.30 is: 215,662,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,434,027.70 : 252,651,041.55 = 143,775,165.30 : x
  2. Step 2: Convert to fraction form
    168,434,027.70/252,651,041.55 = 143,775,165.30/x
  3. Step 3: Cross multiply
    168,434,027.70x = 252,651,041.55 × 143,775,165.30
  4. Step 4: Simplify right side
    168,434,027.70x = 36,324,945,262,068,424
  5. Step 5: Solve for x
    x = 36,324,945,262,068,424/168,434,027.70
  6. Step 6: Final answer
    x = 215,662,747.95

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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.