Home / 86,094,715.72-129,142,540.62-25,510,966.60

Finding the Fourth Proportional to 86,094,715.72, 129,142,540.62 and 25,510,966.60

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Solution

The fourth proportional to 86,094,715.72, 129,142,540.62 and 25,510,966.60 is: 38,266,588.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,094,715.72 : 129,142,540.62 = 25,510,966.60 : x
  2. Step 2: Convert to fraction form
    86,094,715.72/129,142,540.62 = 25,510,966.60/x
  3. Step 3: Cross multiply
    86,094,715.72x = 129,142,540.62 × 25,510,966.60
  4. Step 4: Simplify right side
    86,094,715.72x = 3,294,551,040,395,963.50
  5. Step 5: Solve for x
    x = 3,294,551,040,395,963.50/86,094,715.72
  6. Step 6: Final answer
    x = 38,266,588.29

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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.