Home / 82,811,020-114,279,660.72-48,024,335.36

Finding the Fourth Proportional to 82,811,020, 114,279,660.72 and 48,024,335.36

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Solution

The fourth proportional to 82,811,020, 114,279,660.72 and 48,024,335.36 is: 66,273,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811,020 : 114,279,660.72 = 48,024,335.36 : x
  2. Step 2: Convert to fraction form
    82,811,020/114,279,660.72 = 48,024,335.36/x
  3. Step 3: Cross multiply
    82,811,020x = 114,279,660.72 × 48,024,335.36
  4. Step 4: Simplify right side
    82,811,020x = 5,488,204,751,244,299
  5. Step 5: Solve for x
    x = 5,488,204,751,244,299/82,811,020
  6. Step 6: Final answer
    x = 66,273,845.57

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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.