Home / 108,125,169.28-149,093,129.28-68,904,776.32

Finding the Fourth Proportional to 108,125,169.28, 149,093,129.28 and 68,904,776.32

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Solution

The fourth proportional to 108,125,169.28, 149,093,129.28 and 68,904,776.32 is: 95,012,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,125,169.28 : 149,093,129.28 = 68,904,776.32 : x
  2. Step 2: Convert to fraction form
    108,125,169.28/149,093,129.28 = 68,904,776.32/x
  3. Step 3: Cross multiply
    108,125,169.28x = 149,093,129.28 × 68,904,776.32
  4. Step 4: Simplify right side
    108,125,169.28x = 10,273,228,723,887,242
  5. Step 5: Solve for x
    x = 10,273,228,723,887,242/108,125,169.28
  6. Step 6: Final answer
    x = 95,012,371.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.