Home / 146,052,503.78-201,565,976.12-80,862,407.78

Finding the Fourth Proportional to 146,052,503.78, 201,565,976.12 and 80,862,407.78

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Solution

The fourth proportional to 146,052,503.78, 201,565,976.12 and 80,862,407.78 is: 111,597,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,052,503.78 : 201,565,976.12 = 80,862,407.78 : x
  2. Step 2: Convert to fraction form
    146,052,503.78/201,565,976.12 = 80,862,407.78/x
  3. Step 3: Cross multiply
    146,052,503.78x = 201,565,976.12 × 80,862,407.78
  4. Step 4: Simplify right side
    146,052,503.78x = 16,299,110,154,177,042
  5. Step 5: Solve for x
    x = 16,299,110,154,177,042/146,052,503.78
  6. Step 6: Final answer
    x = 111,597,608.62

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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.