Home / 168,073,400.70-252,110,101.05-103,166,739.90

Finding the Fourth Proportional to 168,073,400.70, 252,110,101.05 and 103,166,739.90

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Solution

The fourth proportional to 168,073,400.70, 252,110,101.05 and 103,166,739.90 is: 154,750,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,073,400.70 : 252,110,101.05 = 103,166,739.90 : x
  2. Step 2: Convert to fraction form
    168,073,400.70/252,110,101.05 = 103,166,739.90/x
  3. Step 3: Cross multiply
    168,073,400.70x = 252,110,101.05 × 103,166,739.90
  4. Step 4: Simplify right side
    168,073,400.70x = 26,009,377,221,188,068
  5. Step 5: Solve for x
    x = 26,009,377,221,188,068/168,073,400.70
  6. Step 6: Final answer
    x = 154,750,109.85

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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.