Home / 54,555,959.08-81,824,814.78-20,005,221.16

Finding the Fourth Proportional to 54,555,959.08, 81,824,814.78 and 20,005,221.16

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Solution

The fourth proportional to 54,555,959.08, 81,824,814.78 and 20,005,221.16 is: 30,004,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555,959.08 : 81,824,814.78 = 20,005,221.16 : x
  2. Step 2: Convert to fraction form
    54,555,959.08/81,824,814.78 = 20,005,221.16/x
  3. Step 3: Cross multiply
    54,555,959.08x = 81,824,814.78 × 20,005,221.16
  4. Step 4: Simplify right side
    54,555,959.08x = 1,636,923,516,049,936.75
  5. Step 5: Solve for x
    x = 1,636,923,516,049,936.75/54,555,959.08
  6. Step 6: Final answer
    x = 30,004,486.10

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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.