Home / 68,707,352.40-103,061,028.60-57,945,672.15

Finding the Fourth Proportional to 68,707,352.40, 103,061,028.60 and 57,945,672.15

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Solution

The fourth proportional to 68,707,352.40, 103,061,028.60 and 57,945,672.15 is: 86,918,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,707,352.40 : 103,061,028.60 = 57,945,672.15 : x
  2. Step 2: Convert to fraction form
    68,707,352.40/103,061,028.60 = 57,945,672.15/x
  3. Step 3: Cross multiply
    68,707,352.40x = 103,061,028.60 × 57,945,672.15
  4. Step 4: Simplify right side
    68,707,352.40x = 5,971,940,574,697,373
  5. Step 5: Solve for x
    x = 5,971,940,574,697,373/68,707,352.40
  6. Step 6: Final answer
    x = 86,918,508.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.