Home / 206,096,952.40-309,145,428.60-178,036,867.60

Finding the Fourth Proportional to 206,096,952.40, 309,145,428.60 and 178,036,867.60

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Solution

The fourth proportional to 206,096,952.40, 309,145,428.60 and 178,036,867.60 is: 267,055,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,096,952.40 : 309,145,428.60 = 178,036,867.60 : x
  2. Step 2: Convert to fraction form
    206,096,952.40/309,145,428.60 = 178,036,867.60/x
  3. Step 3: Cross multiply
    206,096,952.40x = 309,145,428.60 × 178,036,867.60
  4. Step 4: Simplify right side
    206,096,952.40x = 55,039,283,740,803,456
  5. Step 5: Solve for x
    x = 55,039,283,740,803,456/206,096,952.40
  6. Step 6: Final answer
    x = 267,055,301.40

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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.