Home / 124,647,405.66-172,022,320.98-68,891,627.88

Finding the Fourth Proportional to 124,647,405.66, 172,022,320.98 and 68,891,627.88

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Solution

The fourth proportional to 124,647,405.66, 172,022,320.98 and 68,891,627.88 is: 95,075,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,647,405.66 : 172,022,320.98 = 68,891,627.88 : x
  2. Step 2: Convert to fraction form
    124,647,405.66/172,022,320.98 = 68,891,627.88/x
  3. Step 3: Cross multiply
    124,647,405.66x = 172,022,320.98 × 68,891,627.88
  4. Step 4: Simplify right side
    124,647,405.66x = 11,850,897,724,008,076
  5. Step 5: Solve for x
    x = 11,850,897,724,008,076/124,647,405.66
  6. Step 6: Final answer
    x = 95,075,366.08

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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.