Home / 120,298,601.32-166,007,625.06-65,293,277.16

Finding the Fourth Proportional to 120,298,601.32, 166,007,625.06 and 65,293,277.16

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Solution

The fourth proportional to 120,298,601.32, 166,007,625.06 and 65,293,277.16 is: 90,102,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,298,601.32 : 166,007,625.06 = 65,293,277.16 : x
  2. Step 2: Convert to fraction form
    120,298,601.32/166,007,625.06 = 65,293,277.16/x
  3. Step 3: Cross multiply
    120,298,601.32x = 166,007,625.06 × 65,293,277.16
  4. Step 4: Simplify right side
    120,298,601.32x = 10,839,181,873,715,942
  5. Step 5: Solve for x
    x = 10,839,181,873,715,942/120,298,601.32
  6. Step 6: Final answer
    x = 90,102,310.04

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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.