Home / 178,284,921.40-267,427,382.10-162,979,420.60

Finding the Fourth Proportional to 178,284,921.40, 267,427,382.10 and 162,979,420.60

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Solution

The fourth proportional to 178,284,921.40, 267,427,382.10 and 162,979,420.60 is: 244,469,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,284,921.40 : 267,427,382.10 = 162,979,420.60 : x
  2. Step 2: Convert to fraction form
    178,284,921.40/267,427,382.10 = 162,979,420.60/x
  3. Step 3: Cross multiply
    178,284,921.40x = 267,427,382.10 × 162,979,420.60
  4. Step 4: Simplify right side
    178,284,921.40x = 43,585,159,787,232,808
  5. Step 5: Solve for x
    x = 43,585,159,787,232,808/178,284,921.40
  6. Step 6: Final answer
    x = 244,469,130.90

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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.