Home / 82,046,209.80-113,258,632.02-51,121,658.28

Finding the Fourth Proportional to 82,046,209.80, 113,258,632.02 and 51,121,658.28

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Solution

The fourth proportional to 82,046,209.80, 113,258,632.02 and 51,121,658.28 is: 70,569,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046,209.80 : 113,258,632.02 = 51,121,658.28 : x
  2. Step 2: Convert to fraction form
    82,046,209.80/113,258,632.02 = 51,121,658.28/x
  3. Step 3: Cross multiply
    82,046,209.80x = 113,258,632.02 × 51,121,658.28
  4. Step 4: Simplify right side
    82,046,209.80x = 5,789,969,083,386,706
  5. Step 5: Solve for x
    x = 5,789,969,083,386,706/82,046,209.80
  6. Step 6: Final answer
    x = 70,569,610.68

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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.