Home / 75,725,661.20-113,420,530.20-65,647,965.20

Finding the Fourth Proportional to 75,725,661.20, 113,420,530.20 and 65,647,965.20

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Solution

The fourth proportional to 75,725,661.20, 113,420,530.20 and 65,647,965.20 is: 98,326,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,725,661.20 : 113,420,530.20 = 65,647,965.20 : x
  2. Step 2: Convert to fraction form
    75,725,661.20/113,420,530.20 = 65,647,965.20/x
  3. Step 3: Cross multiply
    75,725,661.20x = 113,420,530.20 × 65,647,965.20
  4. Step 4: Simplify right side
    75,725,661.20x = 7,445,827,019,535,150
  5. Step 5: Solve for x
    x = 7,445,827,019,535,150/75,725,661.20
  6. Step 6: Final answer
    x = 98,326,338.81

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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.