Home / 187,612,579.26-258,905,384.28-103,986,103.06

Finding the Fourth Proportional to 187,612,579.26, 258,905,384.28 and 103,986,103.06

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Solution

The fourth proportional to 187,612,579.26, 258,905,384.28 and 103,986,103.06 is: 143,500,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,612,579.26 : 258,905,384.28 = 103,986,103.06 : x
  2. Step 2: Convert to fraction form
    187,612,579.26/258,905,384.28 = 103,986,103.06/x
  3. Step 3: Cross multiply
    187,612,579.26x = 258,905,384.28 × 103,986,103.06
  4. Step 4: Simplify right side
    187,612,579.26x = 26,922,561,972,528,984
  5. Step 5: Solve for x
    x = 26,922,561,972,528,984/187,612,579.26
  6. Step 6: Final answer
    x = 143,500,836.02

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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.