Home / 68,990,343.48-103,557,292.56-50,815,061.28

Finding the Fourth Proportional to 68,990,343.48, 103,557,292.56 and 50,815,061.28

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Solution

The fourth proportional to 68,990,343.48, 103,557,292.56 and 50,815,061.28 is: 76,275,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,990,343.48 : 103,557,292.56 = 50,815,061.28 : x
  2. Step 2: Convert to fraction form
    68,990,343.48/103,557,292.56 = 50,815,061.28/x
  3. Step 3: Cross multiply
    68,990,343.48x = 103,557,292.56 × 50,815,061.28
  4. Step 4: Simplify right side
    68,990,343.48x = 5,262,270,167,427,288
  5. Step 5: Solve for x
    x = 5,262,270,167,427,288/68,990,343.48
  6. Step 6: Final answer
    x = 76,275,459.75

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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.