Home / 168,317,188.20-252,475,782.30-72,579,076.20

Finding the Fourth Proportional to 168,317,188.20, 252,475,782.30 and 72,579,076.20

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Solution

The fourth proportional to 168,317,188.20, 252,475,782.30 and 72,579,076.20 is: 108,868,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,317,188.20 : 252,475,782.30 = 72,579,076.20 : x
  2. Step 2: Convert to fraction form
    168,317,188.20/252,475,782.30 = 72,579,076.20/x
  3. Step 3: Cross multiply
    168,317,188.20x = 252,475,782.30 × 72,579,076.20
  4. Step 4: Simplify right side
    168,317,188.20x = 18,324,459,042,206,312
  5. Step 5: Solve for x
    x = 18,324,459,042,206,312/168,317,188.20
  6. Step 6: Final answer
    x = 108,868,614.30

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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.