Home / 65,786,755.77-90,786,441.06-36,418,578.75

Finding the Fourth Proportional to 65,786,755.77, 90,786,441.06 and 36,418,578.75

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Solution

The fourth proportional to 65,786,755.77, 90,786,441.06 and 36,418,578.75 is: 50,258,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,786,755.77 : 90,786,441.06 = 36,418,578.75 : x
  2. Step 2: Convert to fraction form
    65,786,755.77/90,786,441.06 = 36,418,578.75/x
  3. Step 3: Cross multiply
    65,786,755.77x = 90,786,441.06 × 36,418,578.75
  4. Step 4: Simplify right side
    65,786,755.77x = 3,306,313,153,175,843.50
  5. Step 5: Solve for x
    x = 3,306,313,153,175,843.50/65,786,755.77
  6. Step 6: Final answer
    x = 50,258,036.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.