Home / 117,578,843.91-162,259,435.04-64,658,963.34

Finding the Fourth Proportional to 117,578,843.91, 162,259,435.04 and 64,658,963.34

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Solution

The fourth proportional to 117,578,843.91, 162,259,435.04 and 64,658,963.34 is: 89,229,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,578,843.91 : 162,259,435.04 = 64,658,963.34 : x
  2. Step 2: Convert to fraction form
    117,578,843.91/162,259,435.04 = 64,658,963.34/x
  3. Step 3: Cross multiply
    117,578,843.91x = 162,259,435.04 × 64,658,963.34
  4. Step 4: Simplify right side
    117,578,843.91x = 10,491,526,861,497,176
  5. Step 5: Solve for x
    x = 10,491,526,861,497,176/117,578,843.91
  6. Step 6: Final answer
    x = 89,229,716.10

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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.