Home / 66,288,274.96-91,480,670.22-36,919,620.58

Finding the Fourth Proportional to 66,288,274.96, 91,480,670.22 and 36,919,620.58

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Solution

The fourth proportional to 66,288,274.96, 91,480,670.22 and 36,919,620.58 is: 50,950,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,288,274.96 : 91,480,670.22 = 36,919,620.58 : x
  2. Step 2: Convert to fraction form
    66,288,274.96/91,480,670.22 = 36,919,620.58/x
  3. Step 3: Cross multiply
    66,288,274.96x = 91,480,670.22 × 36,919,620.58
  4. Step 4: Simplify right side
    66,288,274.96x = 3,377,431,634,926,505
  5. Step 5: Solve for x
    x = 3,377,431,634,926,505/66,288,274.96
  6. Step 6: Final answer
    x = 50,950,664.16

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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.