Home / 168,552,639.60-252,726,316.20-66,194,041.20

Finding the Fourth Proportional to 168,552,639.60, 252,726,316.20 and 66,194,041.20

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Solution

The fourth proportional to 168,552,639.60, 252,726,316.20 and 66,194,041.20 is: 99,250,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,552,639.60 : 252,726,316.20 = 66,194,041.20 : x
  2. Step 2: Convert to fraction form
    168,552,639.60/252,726,316.20 = 66,194,041.20/x
  3. Step 3: Cross multiply
    168,552,639.60x = 252,726,316.20 × 66,194,041.20
  4. Step 4: Simplify right side
    168,552,639.60x = 16,728,976,186,867,028
  5. Step 5: Solve for x
    x = 16,728,976,186,867,028/168,552,639.60
  6. Step 6: Final answer
    x = 99,250,751.73

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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.