Home / 54,009,078.42-81,006,784.13-17,121,323.96

Finding the Fourth Proportional to 54,009,078.42, 81,006,784.13 and 17,121,323.96

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Solution

The fourth proportional to 54,009,078.42, 81,006,784.13 and 17,121,323.96 is: 25,679,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,009,078.42 : 81,006,784.13 = 17,121,323.96 : x
  2. Step 2: Convert to fraction form
    54,009,078.42/81,006,784.13 = 17,121,323.96/x
  3. Step 3: Cross multiply
    54,009,078.42x = 81,006,784.13 × 17,121,323.96
  4. Step 4: Simplify right side
    54,009,078.42x = 1,386,943,393,556,876
  5. Step 5: Solve for x
    x = 1,386,943,393,556,876/54,009,078.42
  6. Step 6: Final answer
    x = 25,679,819.65

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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.