Home / 74,728,138.26-112,084,639.28-20,146,241.24

Finding the Fourth Proportional to 74,728,138.26, 112,084,639.28 and 20,146,241.24

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Solution

The fourth proportional to 74,728,138.26, 112,084,639.28 and 20,146,241.24 is: 30,217,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,728,138.26 : 112,084,639.28 = 20,146,241.24 : x
  2. Step 2: Convert to fraction form
    74,728,138.26/112,084,639.28 = 20,146,241.24/x
  3. Step 3: Cross multiply
    74,728,138.26x = 112,084,639.28 × 20,146,241.24
  4. Step 4: Simplify right side
    74,728,138.26x = 2,258,084,182,233,259.50
  5. Step 5: Solve for x
    x = 2,258,084,182,233,259.50/74,728,138.26
  6. Step 6: Final answer
    x = 30,217,321.54

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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.