Home / 123,389,850.36-170,178,706.59-108,473,280.56

Finding the Fourth Proportional to 123,389,850.36, 170,178,706.59 and 108,473,280.56

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Solution

The fourth proportional to 123,389,850.36, 170,178,706.59 and 108,473,280.56 is: 149,605,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,389,850.36 : 170,178,706.59 = 108,473,280.56 : x
  2. Step 2: Convert to fraction form
    123,389,850.36/170,178,706.59 = 108,473,280.56/x
  3. Step 3: Cross multiply
    123,389,850.36x = 170,178,706.59 × 108,473,280.56
  4. Step 4: Simplify right side
    123,389,850.36x = 18,459,842,585,274,992
  5. Step 5: Solve for x
    x = 18,459,842,585,274,992/123,389,850.36
  6. Step 6: Final answer
    x = 149,605,843.04

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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.