Home / 168,508,935.80-252,763,403.70-149,025,390.20

Finding the Fourth Proportional to 168,508,935.80, 252,763,403.70 and 149,025,390.20

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Solution

The fourth proportional to 168,508,935.80, 252,763,403.70 and 149,025,390.20 is: 223,538,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,508,935.80 : 252,763,403.70 = 149,025,390.20 : x
  2. Step 2: Convert to fraction form
    168,508,935.80/252,763,403.70 = 149,025,390.20/x
  3. Step 3: Cross multiply
    168,508,935.80x = 252,763,403.70 × 149,025,390.20
  4. Step 4: Simplify right side
    168,508,935.80x = 37,668,164,864,672,616
  5. Step 5: Solve for x
    x = 37,668,164,864,672,616/168,508,935.80
  6. Step 6: Final answer
    x = 223,538,085.30

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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.