Home / 168,719,910.30-253,079,865.45-53,716,077.90

Finding the Fourth Proportional to 168,719,910.30, 253,079,865.45 and 53,716,077.90

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Solution

The fourth proportional to 168,719,910.30, 253,079,865.45 and 53,716,077.90 is: 80,574,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,719,910.30 : 253,079,865.45 = 53,716,077.90 : x
  2. Step 2: Convert to fraction form
    168,719,910.30/253,079,865.45 = 53,716,077.90/x
  3. Step 3: Cross multiply
    168,719,910.30x = 253,079,865.45 × 53,716,077.90
  4. Step 4: Simplify right side
    168,719,910.30x = 13,594,457,767,433,718
  5. Step 5: Solve for x
    x = 13,594,457,767,433,718/168,719,910.30
  6. Step 6: Final answer
    x = 80,574,116.85

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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.