Home / 195,148,643.34-269,304,372.75-120,794,383.50

Finding the Fourth Proportional to 195,148,643.34, 269,304,372.75 and 120,794,383.50

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Solution

The fourth proportional to 195,148,643.34, 269,304,372.75 and 120,794,383.50 is: 166,695,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,148,643.34 : 269,304,372.75 = 120,794,383.50 : x
  2. Step 2: Convert to fraction form
    195,148,643.34/269,304,372.75 = 120,794,383.50/x
  3. Step 3: Cross multiply
    195,148,643.34x = 269,304,372.75 × 120,794,383.50
  4. Step 4: Simplify right side
    195,148,643.34x = 32,530,455,680,190,448
  5. Step 5: Solve for x
    x = 32,530,455,680,190,448/195,148,643.34
  6. Step 6: Final answer
    x = 166,695,781.86

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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.