Home / 66,627,583.20-91,945,434.96-37,258,578.90

Finding the Fourth Proportional to 66,627,583.20, 91,945,434.96 and 37,258,578.90

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Solution

The fourth proportional to 66,627,583.20, 91,945,434.96 and 37,258,578.90 is: 51,416,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,627,583.20 : 91,945,434.96 = 37,258,578.90 : x
  2. Step 2: Convert to fraction form
    66,627,583.20/91,945,434.96 = 37,258,578.90/x
  3. Step 3: Cross multiply
    66,627,583.20x = 91,945,434.96 × 37,258,578.90
  4. Step 4: Simplify right side
    66,627,583.20x = 3,425,756,242,951,978
  5. Step 5: Solve for x
    x = 3,425,756,242,951,978/66,627,583.20
  6. Step 6: Final answer
    x = 51,416,486.66

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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.