Home / 167,988,344.30-231,823,862.43-90,726,008.30

Finding the Fourth Proportional to 167,988,344.30, 231,823,862.43 and 90,726,008.30

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Solution

The fourth proportional to 167,988,344.30, 231,823,862.43 and 90,726,008.30 is: 125,201,862.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,988,344.30 : 231,823,862.43 = 90,726,008.30 : x
  2. Step 2: Convert to fraction form
    167,988,344.30/231,823,862.43 = 90,726,008.30/x
  3. Step 3: Cross multiply
    167,988,344.30x = 231,823,862.43 × 90,726,008.30
  4. Step 4: Simplify right side
    167,988,344.30x = 21,032,453,666,962,240
  5. Step 5: Solve for x
    x = 21,032,453,666,962,240/167,988,344.30
  6. Step 6: Final answer
    x = 125,201,862.99

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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.