Home / 124,647,408.66-172,022,325.12-68,891,630.88

Finding the Fourth Proportional to 124,647,408.66, 172,022,325.12 and 68,891,630.88

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Solution

The fourth proportional to 124,647,408.66, 172,022,325.12 and 68,891,630.88 is: 95,075,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,647,408.66 : 172,022,325.12 = 68,891,630.88 : x
  2. Step 2: Convert to fraction form
    124,647,408.66/172,022,325.12 = 68,891,630.88/x
  3. Step 3: Cross multiply
    124,647,408.66x = 172,022,325.12 × 68,891,630.88
  4. Step 4: Simplify right side
    124,647,408.66x = 11,850,898,525,286,392
  5. Step 5: Solve for x
    x = 11,850,898,525,286,392/124,647,408.66
  6. Step 6: Final answer
    x = 95,075,370.22

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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.