Home / 165,705,679.80-248,277,245.37-99,988,736.72

Finding the Fourth Proportional to 165,705,679.80, 248,277,245.37 and 99,988,736.72

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Solution

The fourth proportional to 165,705,679.80, 248,277,245.37 and 99,988,736.72 is: 149,813,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,705,679.80 : 248,277,245.37 = 99,988,736.72 : x
  2. Step 2: Convert to fraction form
    165,705,679.80/248,277,245.37 = 99,988,736.72/x
  3. Step 3: Cross multiply
    165,705,679.80x = 248,277,245.37 × 99,988,736.72
  4. Step 4: Simplify right side
    165,705,679.80x = 24,824,928,119,626,384
  5. Step 5: Solve for x
    x = 24,824,928,119,626,384/165,705,679.80
  6. Step 6: Final answer
    x = 149,813,380.87

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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.