Home / 81,035,693.14-121,479,057.22-29,207,611.58

Finding the Fourth Proportional to 81,035,693.14, 121,479,057.22 and 29,207,611.58

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Solution

The fourth proportional to 81,035,693.14, 121,479,057.22 and 29,207,611.58 is: 43,784,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,035,693.14 : 121,479,057.22 = 29,207,611.58 : x
  2. Step 2: Convert to fraction form
    81,035,693.14/121,479,057.22 = 29,207,611.58/x
  3. Step 3: Cross multiply
    81,035,693.14x = 121,479,057.22 × 29,207,611.58
  4. Step 4: Simplify right side
    81,035,693.14x = 3,548,113,118,617,033
  5. Step 5: Solve for x
    x = 3,548,113,118,617,033/81,035,693.14
  6. Step 6: Final answer
    x = 43,784,571.73

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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.