Home / 106,278,621.78-146,661,026.85-67,141,236.18

Finding the Fourth Proportional to 106,278,621.78, 146,661,026.85 and 67,141,236.18

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Solution

The fourth proportional to 106,278,621.78, 146,661,026.85 and 67,141,236.18 is: 92,652,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,278,621.78 : 146,661,026.85 = 67,141,236.18 : x
  2. Step 2: Convert to fraction form
    106,278,621.78/146,661,026.85 = 67,141,236.18/x
  3. Step 3: Cross multiply
    106,278,621.78x = 146,661,026.85 × 67,141,236.18
  4. Step 4: Simplify right side
    106,278,621.78x = 9,847,002,642,137,172
  5. Step 5: Solve for x
    x = 9,847,002,642,137,172/106,278,621.78
  6. Step 6: Final answer
    x = 92,652,713.00

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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.