Home / 168,799,580.72-253,196,604.20-53,782,560.56

Finding the Fourth Proportional to 168,799,580.72, 253,196,604.20 and 53,782,560.56

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Solution

The fourth proportional to 168,799,580.72, 253,196,604.20 and 53,782,560.56 is: 80,672,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,799,580.72 : 253,196,604.20 = 53,782,560.56 : x
  2. Step 2: Convert to fraction form
    168,799,580.72/253,196,604.20 = 53,782,560.56/x
  3. Step 3: Cross multiply
    168,799,580.72x = 253,196,604.20 × 53,782,560.56
  4. Step 4: Simplify right side
    168,799,580.72x = 13,617,561,698,972,850
  5. Step 5: Solve for x
    x = 13,617,561,698,972,850/168,799,580.72
  6. Step 6: Final answer
    x = 80,672,959.26

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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.