Home / 278,471,543.22-384,268,199.85-161,004,410.10

Finding the Fourth Proportional to 278,471,543.22, 384,268,199.85 and 161,004,410.10

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Solution

The fourth proportional to 278,471,543.22, 384,268,199.85 and 161,004,410.10 is: 222,173,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,471,543.22 : 384,268,199.85 = 161,004,410.10 : x
  2. Step 2: Convert to fraction form
    278,471,543.22/384,268,199.85 = 161,004,410.10/x
  3. Step 3: Cross multiply
    278,471,543.22x = 384,268,199.85 × 161,004,410.10
  4. Step 4: Simplify right side
    278,471,543.22x = 61,868,874,837,038,160
  5. Step 5: Solve for x
    x = 61,868,874,837,038,160/278,471,543.22
  6. Step 6: Final answer
    x = 222,173,059.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.