Home / 76,121,359.09-105,047,576.91-41,314,049.53

Finding the Fourth Proportional to 76,121,359.09, 105,047,576.91 and 41,314,049.53

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Solution

The fourth proportional to 76,121,359.09, 105,047,576.91 and 41,314,049.53 is: 57,013,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,359.09 : 105,047,576.91 = 41,314,049.53 : x
  2. Step 2: Convert to fraction form
    76,121,359.09/105,047,576.91 = 41,314,049.53/x
  3. Step 3: Cross multiply
    76,121,359.09x = 105,047,576.91 × 41,314,049.53
  4. Step 4: Simplify right side
    76,121,359.09x = 4,339,940,795,259,654.50
  5. Step 5: Solve for x
    x = 4,339,940,795,259,654.50/76,121,359.09
  6. Step 6: Final answer
    x = 57,013,443.36

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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.