Home / 407,954,977.16-612,052,086.54-131,600,654.60

Finding the Fourth Proportional to 407,954,977.16, 612,052,086.54 and 131,600,654.60

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Solution

The fourth proportional to 407,954,977.16, 612,052,086.54 and 131,600,654.60 is: 197,439,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,954,977.16 : 612,052,086.54 = 131,600,654.60 : x
  2. Step 2: Convert to fraction form
    407,954,977.16/612,052,086.54 = 131,600,654.60/x
  3. Step 3: Cross multiply
    407,954,977.16x = 612,052,086.54 × 131,600,654.60
  4. Step 4: Simplify right side
    407,954,977.16x = 80,546,455,237,959,840
  5. Step 5: Solve for x
    x = 80,546,455,237,959,840/407,954,977.16
  6. Step 6: Final answer
    x = 197,439,569.92

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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.