Home / 107,719,387.70-161,818,230.02-66,809,059.52

Finding the Fourth Proportional to 107,719,387.70, 161,818,230.02 and 66,809,059.52

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Solution

The fourth proportional to 107,719,387.70, 161,818,230.02 and 66,809,059.52 is: 100,361,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,719,387.70 : 161,818,230.02 = 66,809,059.52 : x
  2. Step 2: Convert to fraction form
    107,719,387.70/161,818,230.02 = 66,809,059.52/x
  3. Step 3: Cross multiply
    107,719,387.70x = 161,818,230.02 × 66,809,059.52
  4. Step 4: Simplify right side
    107,719,387.70x = 10,810,923,759,684,094
  5. Step 5: Solve for x
    x = 10,810,923,759,684,094/107,719,387.70
  6. Step 6: Final answer
    x = 100,361,912.47

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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.