Home / 136,132,241.32-187,931,842.50-105,122,797.48

Finding the Fourth Proportional to 136,132,241.32, 187,931,842.50 and 105,122,797.48

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Solution

The fourth proportional to 136,132,241.32, 187,931,842.50 and 105,122,797.48 is: 145,123,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,132,241.32 : 187,931,842.50 = 105,122,797.48 : x
  2. Step 2: Convert to fraction form
    136,132,241.32/187,931,842.50 = 105,122,797.48/x
  3. Step 3: Cross multiply
    136,132,241.32x = 187,931,842.50 × 105,122,797.48
  4. Step 4: Simplify right side
    136,132,241.32x = 19,755,921,019,170,756
  5. Step 5: Solve for x
    x = 19,755,921,019,170,756/136,132,241.32
  6. Step 6: Final answer
    x = 145,123,012.94

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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.