Home / 82,005,717.94-113,170,252.71-45,338,650.90

Finding the Fourth Proportional to 82,005,717.94, 113,170,252.71 and 45,338,650.90

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Solution

The fourth proportional to 82,005,717.94, 113,170,252.71 and 45,338,650.90 is: 62,568,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,005,717.94 : 113,170,252.71 = 45,338,650.90 : x
  2. Step 2: Convert to fraction form
    82,005,717.94/113,170,252.71 = 45,338,650.90/x
  3. Step 3: Cross multiply
    82,005,717.94x = 113,170,252.71 × 45,338,650.90
  4. Step 4: Simplify right side
    82,005,717.94x = 5,130,986,579,770,564
  5. Step 5: Solve for x
    x = 5,130,986,579,770,564/82,005,717.94
  6. Step 6: Final answer
    x = 62,568,644.10

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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.