Home / 168,242,665.80-252,363,998.70-145,151,056.20

Finding the Fourth Proportional to 168,242,665.80, 252,363,998.70 and 145,151,056.20

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Solution

The fourth proportional to 168,242,665.80, 252,363,998.70 and 145,151,056.20 is: 217,726,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,242,665.80 : 252,363,998.70 = 145,151,056.20 : x
  2. Step 2: Convert to fraction form
    168,242,665.80/252,363,998.70 = 145,151,056.20/x
  3. Step 3: Cross multiply
    168,242,665.80x = 252,363,998.70 × 145,151,056.20
  4. Step 4: Simplify right side
    168,242,665.80x = 36,630,900,958,160,424
  5. Step 5: Solve for x
    x = 36,630,900,958,160,424/168,242,665.80
  6. Step 6: Final answer
    x = 217,726,584.30

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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.