Home / 54,086,824.82-81,129,528.57-13,146,145.02

Finding the Fourth Proportional to 54,086,824.82, 81,129,528.57 and 13,146,145.02

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Solution

The fourth proportional to 54,086,824.82, 81,129,528.57 and 13,146,145.02 is: 19,719,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,086,824.82 : 81,129,528.57 = 13,146,145.02 : x
  2. Step 2: Convert to fraction form
    54,086,824.82/81,129,528.57 = 13,146,145.02/x
  3. Step 3: Cross multiply
    54,086,824.82x = 81,129,528.57 × 13,146,145.02
  4. Step 4: Simplify right side
    54,086,824.82x = 1,066,540,547,985,453.12
  5. Step 5: Solve for x
    x = 1,066,540,547,985,453.12/54,086,824.82
  6. Step 6: Final answer
    x = 19,719,045.29

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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.