Home / 54,169,392.94-81,253,148.29-21,820,468.57

Finding the Fourth Proportional to 54,169,392.94, 81,253,148.29 and 21,820,468.57

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Solution

The fourth proportional to 54,169,392.94, 81,253,148.29 and 21,820,468.57 is: 32,730,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,169,392.94 : 81,253,148.29 = 21,820,468.57 : x
  2. Step 2: Convert to fraction form
    54,169,392.94/81,253,148.29 = 21,820,468.57/x
  3. Step 3: Cross multiply
    54,169,392.94x = 81,253,148.29 × 21,820,468.57
  4. Step 4: Simplify right side
    54,169,392.94x = 1,772,981,768,217,810
  5. Step 5: Solve for x
    x = 1,772,981,768,217,810/54,169,392.94
  6. Step 6: Final answer
    x = 32,730,323.75

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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.