Home / 168,501,643.20-252,941,421.60-130,332,369.60

Finding the Fourth Proportional to 168,501,643.20, 252,941,421.60 and 130,332,369.60

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Solution

The fourth proportional to 168,501,643.20, 252,941,421.60 and 130,332,369.60 is: 195,644,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,501,643.20 : 252,941,421.60 = 130,332,369.60 : x
  2. Step 2: Convert to fraction form
    168,501,643.20/252,941,421.60 = 130,332,369.60/x
  3. Step 3: Cross multiply
    168,501,643.20x = 252,941,421.60 × 130,332,369.60
  4. Step 4: Simplify right side
    168,501,643.20x = 32,966,454,847,120,620
  5. Step 5: Solve for x
    x = 32,966,454,847,120,620/168,501,643.20
  6. Step 6: Final answer
    x = 195,644,708.39

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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.