Home / 95,687,517.40-143,672,993.70-74,146,442.20

Finding the Fourth Proportional to 95,687,517.40, 143,672,993.70 and 74,146,442.20

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Solution

The fourth proportional to 95,687,517.40, 143,672,993.70 and 74,146,442.20 is: 111,329,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,687,517.40 : 143,672,993.70 = 74,146,442.20 : x
  2. Step 2: Convert to fraction form
    95,687,517.40/143,672,993.70 = 74,146,442.20/x
  3. Step 3: Cross multiply
    95,687,517.40x = 143,672,993.70 × 74,146,442.20
  4. Step 4: Simplify right side
    95,687,517.40x = 10,652,841,323,078,014
  5. Step 5: Solve for x
    x = 10,652,841,323,078,014/95,687,517.40
  6. Step 6: Final answer
    x = 111,329,477.58

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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.