Home / 168,028,316.80-252,042,475.20-40,377,500.80

Finding the Fourth Proportional to 168,028,316.80, 252,042,475.20 and 40,377,500.80

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Solution

The fourth proportional to 168,028,316.80, 252,042,475.20 and 40,377,500.80 is: 60,566,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028,316.80 : 252,042,475.20 = 40,377,500.80 : x
  2. Step 2: Convert to fraction form
    168,028,316.80/252,042,475.20 = 40,377,500.80/x
  3. Step 3: Cross multiply
    168,028,316.80x = 252,042,475.20 × 40,377,500.80
  4. Step 4: Simplify right side
    168,028,316.80x = 10,176,845,244,021,978
  5. Step 5: Solve for x
    x = 10,176,845,244,021,978/168,028,316.80
  6. Step 6: Final answer
    x = 60,566,251.20

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1.5x scale

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.