Home / 206,096,951.40-309,145,427.10-178,036,866.60

Finding the Fourth Proportional to 206,096,951.40, 309,145,427.10 and 178,036,866.60

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Solution

The fourth proportional to 206,096,951.40, 309,145,427.10 and 178,036,866.60 is: 267,055,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,096,951.40 : 309,145,427.10 = 178,036,866.60 : x
  2. Step 2: Convert to fraction form
    206,096,951.40/309,145,427.10 = 178,036,866.60/x
  3. Step 3: Cross multiply
    206,096,951.40x = 309,145,427.10 × 178,036,866.60
  4. Step 4: Simplify right side
    206,096,951.40x = 55,039,283,164,602,728
  5. Step 5: Solve for x
    x = 55,039,283,164,602,728/206,096,951.40
  6. Step 6: Final answer
    x = 267,055,299.90

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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.