Home / 81,268,435.76-112,144,618.68-46,462,593.20

Finding the Fourth Proportional to 81,268,435.76, 112,144,618.68 and 46,462,593.20

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Solution

The fourth proportional to 81,268,435.76, 112,144,618.68 and 46,462,593.20 is: 64,115,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,268,435.76 : 112,144,618.68 = 46,462,593.20 : x
  2. Step 2: Convert to fraction form
    81,268,435.76/112,144,618.68 = 46,462,593.20/x
  3. Step 3: Cross multiply
    81,268,435.76x = 112,144,618.68 × 46,462,593.20
  4. Step 4: Simplify right side
    81,268,435.76x = 5,210,529,797,297,962
  5. Step 5: Solve for x
    x = 5,210,529,797,297,962/81,268,435.76
  6. Step 6: Final answer
    x = 64,115,049.69

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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.