Home / 200,429,346.60-300,644,019.90-168,144,305.85

Finding the Fourth Proportional to 200,429,346.60, 300,644,019.90 and 168,144,305.85

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Solution

The fourth proportional to 200,429,346.60, 300,644,019.90 and 168,144,305.85 is: 252,216,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,429,346.60 : 300,644,019.90 = 168,144,305.85 : x
  2. Step 2: Convert to fraction form
    200,429,346.60/300,644,019.90 = 168,144,305.85/x
  3. Step 3: Cross multiply
    200,429,346.60x = 300,644,019.90 × 168,144,305.85
  4. Step 4: Simplify right side
    200,429,346.60x = 50,551,580,034,039,080
  5. Step 5: Solve for x
    x = 50,551,580,034,039,080/200,429,346.60
  6. Step 6: Final answer
    x = 252,216,458.78

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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.