Home / 120,494,975.29-166,286,573.39-68,282,274.85

Finding the Fourth Proportional to 120,494,975.29, 166,286,573.39 and 68,282,274.85

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Solution

The fourth proportional to 120,494,975.29, 166,286,573.39 and 68,282,274.85 is: 94,231,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,494,975.29 : 166,286,573.39 = 68,282,274.85 : x
  2. Step 2: Convert to fraction form
    120,494,975.29/166,286,573.39 = 68,282,274.85/x
  3. Step 3: Cross multiply
    120,494,975.29x = 166,286,573.39 × 68,282,274.85
  4. Step 4: Simplify right side
    120,494,975.29x = 11,354,425,507,835,666
  5. Step 5: Solve for x
    x = 11,354,425,507,835,666/120,494,975.29
  6. Step 6: Final answer
    x = 94,231,526.92

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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.