Home / 178,038,004.80-267,057,007.20-123,512,158.20

Finding the Fourth Proportional to 178,038,004.80, 267,057,007.20 and 123,512,158.20

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Solution

The fourth proportional to 178,038,004.80, 267,057,007.20 and 123,512,158.20 is: 185,268,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,038,004.80 : 267,057,007.20 = 123,512,158.20 : x
  2. Step 2: Convert to fraction form
    178,038,004.80/267,057,007.20 = 123,512,158.20/x
  3. Step 3: Cross multiply
    178,038,004.80x = 267,057,007.20 × 123,512,158.20
  4. Step 4: Simplify right side
    178,038,004.80x = 32,984,787,321,704,940
  5. Step 5: Solve for x
    x = 32,984,787,321,704,940/178,038,004.80
  6. Step 6: Final answer
    x = 185,268,237.30

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1.5x scale

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.