Home / 52,422,490.70-78,645,086.82-20,074,394.37

Finding the Fourth Proportional to 52,422,490.70, 78,645,086.82 and 20,074,394.37

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Solution

The fourth proportional to 52,422,490.70, 78,645,086.82 and 20,074,394.37 is: 30,115,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,422,490.70 : 78,645,086.82 = 20,074,394.37 : x
  2. Step 2: Convert to fraction form
    52,422,490.70/78,645,086.82 = 20,074,394.37/x
  3. Step 3: Cross multiply
    52,422,490.70x = 78,645,086.82 × 20,074,394.37
  4. Step 4: Simplify right side
    52,422,490.70x = 1,578,752,488,087,569.25
  5. Step 5: Solve for x
    x = 1,578,752,488,087,569.25/52,422,490.70
  6. Step 6: Final answer
    x = 30,115,938.16

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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.