Home / 75,725,647.20-113,420,509.20-65,647,951.20

Finding the Fourth Proportional to 75,725,647.20, 113,420,509.20 and 65,647,951.20

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Solution

The fourth proportional to 75,725,647.20, 113,420,509.20 and 65,647,951.20 is: 98,326,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,725,647.20 : 113,420,509.20 = 65,647,951.20 : x
  2. Step 2: Convert to fraction form
    75,725,647.20/113,420,509.20 = 65,647,951.20/x
  3. Step 3: Cross multiply
    75,725,647.20x = 113,420,509.20 × 65,647,951.20
  4. Step 4: Simplify right side
    75,725,647.20x = 7,445,824,053,040,752
  5. Step 5: Solve for x
    x = 7,445,824,053,040,752/75,725,647.20
  6. Step 6: Final answer
    x = 98,326,317.81

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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.