Home / 123,383,457.66-170,269,173.40-68,382,857.10

Finding the Fourth Proportional to 123,383,457.66, 170,269,173.40 and 68,382,857.10

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Solution

The fourth proportional to 123,383,457.66, 170,269,173.40 and 68,382,857.10 is: 94,368,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,383,457.66 : 170,269,173.40 = 68,382,857.10 : x
  2. Step 2: Convert to fraction form
    123,383,457.66/170,269,173.40 = 68,382,857.10/x
  3. Step 3: Cross multiply
    123,383,457.66x = 170,269,173.40 × 68,382,857.10
  4. Step 4: Simplify right side
    123,383,457.66x = 11,643,492,553,147,320
  5. Step 5: Solve for x
    x = 11,643,492,553,147,320/123,383,457.66
  6. Step 6: Final answer
    x = 94,368,343.81

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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.