Home / 123,383,455.65-170,269,170.63-68,382,855.09

Finding the Fourth Proportional to 123,383,455.65, 170,269,170.63 and 68,382,855.09

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Solution

The fourth proportional to 123,383,455.65, 170,269,170.63 and 68,382,855.09 is: 94,368,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,383,455.65 : 170,269,170.63 = 68,382,855.09 : x
  2. Step 2: Convert to fraction form
    123,383,455.65/170,269,170.63 = 68,382,855.09/x
  3. Step 3: Cross multiply
    123,383,455.65x = 170,269,170.63 × 68,382,855.09
  4. Step 4: Simplify right side
    123,383,455.65x = 11,643,492,021,485,774
  5. Step 5: Solve for x
    x = 11,643,492,021,485,774/123,383,455.65
  6. Step 6: Final answer
    x = 94,368,341.04

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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.