Home / 66,436,883.02-91,728,231.87-42,972,297.58

Finding the Fourth Proportional to 66,436,883.02, 91,728,231.87 and 42,972,297.58

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Solution

The fourth proportional to 66,436,883.02, 91,728,231.87 and 42,972,297.58 is: 59,331,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436,883.02 : 91,728,231.87 = 42,972,297.58 : x
  2. Step 2: Convert to fraction form
    66,436,883.02/91,728,231.87 = 42,972,297.58/x
  3. Step 3: Cross multiply
    66,436,883.02x = 91,728,231.87 × 42,972,297.58
  4. Step 4: Simplify right side
    66,436,883.02x = 3,941,772,876,404,880
  5. Step 5: Solve for x
    x = 3,941,772,876,404,880/66,436,883.02
  6. Step 6: Final answer
    x = 59,331,092.87

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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.