Home / 103,062,600.11-142,294,874.85-79,177,687.25

Finding the Fourth Proportional to 103,062,600.11, 142,294,874.85 and 79,177,687.25

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Solution

The fourth proportional to 103,062,600.11, 142,294,874.85 and 79,177,687.25 is: 109,317,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,062,600.11 : 142,294,874.85 = 79,177,687.25 : x
  2. Step 2: Convert to fraction form
    103,062,600.11/142,294,874.85 = 79,177,687.25/x
  3. Step 3: Cross multiply
    103,062,600.11x = 142,294,874.85 × 79,177,687.25
  4. Step 4: Simplify right side
    103,062,600.11x = 11,266,579,097,439,716
  5. Step 5: Solve for x
    x = 11,266,579,097,439,716/103,062,600.11
  6. Step 6: Final answer
    x = 109,317,823.20

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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.