Home / 111,322,071.64-166,988,356.26-91,855,190.98

Finding the Fourth Proportional to 111,322,071.64, 166,988,356.26 and 91,855,190.98

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Solution

The fourth proportional to 111,322,071.64, 166,988,356.26 and 91,855,190.98 is: 137,787,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,322,071.64 : 166,988,356.26 = 91,855,190.98 : x
  2. Step 2: Convert to fraction form
    111,322,071.64/166,988,356.26 = 91,855,190.98/x
  3. Step 3: Cross multiply
    111,322,071.64x = 166,988,356.26 × 91,855,190.98
  4. Step 4: Simplify right side
    111,322,071.64x = 15,338,747,355,698,578
  5. Step 5: Solve for x
    x = 15,338,747,355,698,578/111,322,071.64
  6. Step 6: Final answer
    x = 137,787,117.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.