Home / 66,121,540.37-91,245,398.43-36,351,971.70

Finding the Fourth Proportional to 66,121,540.37, 91,245,398.43 and 36,351,971.70

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Solution

The fourth proportional to 66,121,540.37, 91,245,398.43 and 36,351,971.70 is: 50,164,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,121,540.37 : 91,245,398.43 = 36,351,971.70 : x
  2. Step 2: Convert to fraction form
    66,121,540.37/91,245,398.43 = 36,351,971.70/x
  3. Step 3: Cross multiply
    66,121,540.37x = 91,245,398.43 × 36,351,971.70
  4. Step 4: Simplify right side
    66,121,540.37x = 3,316,950,141,482,585
  5. Step 5: Solve for x
    x = 3,316,950,141,482,585/66,121,540.37
  6. Step 6: Final answer
    x = 50,164,441.47

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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.