Home / 120,311,809.11-166,032,936.14-73,271,087.19

Finding the Fourth Proportional to 120,311,809.11, 166,032,936.14 and 73,271,087.19

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Solution

The fourth proportional to 120,311,809.11, 166,032,936.14 and 73,271,087.19 is: 101,115,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,311,809.11 : 166,032,936.14 = 73,271,087.19 : x
  2. Step 2: Convert to fraction form
    120,311,809.11/166,032,936.14 = 73,271,087.19/x
  3. Step 3: Cross multiply
    120,311,809.11x = 166,032,936.14 × 73,271,087.19
  4. Step 4: Simplify right side
    120,311,809.11x = 12,165,413,739,959,286
  5. Step 5: Solve for x
    x = 12,165,413,739,959,286/120,311,809.11
  6. Step 6: Final answer
    x = 101,115,707.84

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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.