Home / 91,079,984.13-136,619,870.09-29,669,043.78

Finding the Fourth Proportional to 91,079,984.13, 136,619,870.09 and 29,669,043.78

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Solution

The fourth proportional to 91,079,984.13, 136,619,870.09 and 29,669,043.78 is: 44,503,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,079,984.13 : 136,619,870.09 = 29,669,043.78 : x
  2. Step 2: Convert to fraction form
    91,079,984.13/136,619,870.09 = 29,669,043.78/x
  3. Step 3: Cross multiply
    91,079,984.13x = 136,619,870.09 × 29,669,043.78
  4. Step 4: Simplify right side
    91,079,984.13x = 4,053,380,906,769,777.50
  5. Step 5: Solve for x
    x = 4,053,380,906,769,777.50/91,079,984.13
  6. Step 6: Final answer
    x = 44,503,531.10

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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.