Home / 120,494,976.80-166,286,575.47-68,282,276.36

Finding the Fourth Proportional to 120,494,976.80, 166,286,575.47 and 68,282,276.36

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Solution

The fourth proportional to 120,494,976.80, 166,286,575.47 and 68,282,276.36 is: 94,231,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,494,976.80 : 166,286,575.47 = 68,282,276.36 : x
  2. Step 2: Convert to fraction form
    120,494,976.80/166,286,575.47 = 68,282,276.36/x
  3. Step 3: Cross multiply
    120,494,976.80x = 166,286,575.47 × 68,282,276.36
  4. Step 4: Simplify right side
    120,494,976.80x = 11,354,425,900,369,104
  5. Step 5: Solve for x
    x = 11,354,425,900,369,104/120,494,976.80
  6. Step 6: Final answer
    x = 94,231,529.00

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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.