Home / 186,510,081.60-279,765,122.40-132,090,523.20

Finding the Fourth Proportional to 186,510,081.60, 279,765,122.40 and 132,090,523.20

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Solution

The fourth proportional to 186,510,081.60, 279,765,122.40 and 132,090,523.20 is: 198,135,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,510,081.60 : 279,765,122.40 = 132,090,523.20 : x
  2. Step 2: Convert to fraction form
    186,510,081.60/279,765,122.40 = 132,090,523.20/x
  3. Step 3: Cross multiply
    186,510,081.60x = 279,765,122.40 × 132,090,523.20
  4. Step 4: Simplify right side
    186,510,081.60x = 36,954,321,390,928,040
  5. Step 5: Solve for x
    x = 36,954,321,390,928,040/186,510,081.60
  6. Step 6: Final answer
    x = 198,135,784.80

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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.