Home / 68,445,571-94,454,887.98-39,472,195

Finding the Fourth Proportional to 68,445,571, 94,454,887.98 and 39,472,195

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Solution

The fourth proportional to 68,445,571, 94,454,887.98 and 39,472,195 is: 54,471,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,445,571 : 94,454,887.98 = 39,472,195 : x
  2. Step 2: Convert to fraction form
    68,445,571/94,454,887.98 = 39,472,195/x
  3. Step 3: Cross multiply
    68,445,571x = 94,454,887.98 × 39,472,195
  4. Step 4: Simplify right side
    68,445,571x = 3,728,341,757,049,716.50
  5. Step 5: Solve for x
    x = 3,728,341,757,049,716.50/68,445,571
  6. Step 6: Final answer
    x = 54,471,629.10

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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.