Home / 278,471,544.22-384,268,201.23-161,004,411.10

Finding the Fourth Proportional to 278,471,544.22, 384,268,201.23 and 161,004,411.10

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Solution

The fourth proportional to 278,471,544.22, 384,268,201.23 and 161,004,411.10 is: 222,173,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,471,544.22 : 384,268,201.23 = 161,004,411.10 : x
  2. Step 2: Convert to fraction form
    278,471,544.22/384,268,201.23 = 161,004,411.10/x
  3. Step 3: Cross multiply
    278,471,544.22x = 384,268,201.23 × 161,004,411.10
  4. Step 4: Simplify right side
    278,471,544.22x = 61,868,875,443,492,448
  5. Step 5: Solve for x
    x = 61,868,875,443,492,448/278,471,544.22
  6. Step 6: Final answer
    x = 222,173,061.23

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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.