Home / 193,970,990.28-267,595,999.74-118,620,627.24

Finding the Fourth Proportional to 193,970,990.28, 267,595,999.74 and 118,620,627.24

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Solution

The fourth proportional to 193,970,990.28, 267,595,999.74 and 118,620,627.24 is: 163,645,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,970,990.28 : 267,595,999.74 = 118,620,627.24 : x
  2. Step 2: Convert to fraction form
    193,970,990.28/267,595,999.74 = 118,620,627.24/x
  3. Step 3: Cross multiply
    193,970,990.28x = 267,595,999.74 × 118,620,627.24
  4. Step 4: Simplify right side
    193,970,990.28x = 31,742,405,336,073,676
  5. Step 5: Solve for x
    x = 31,742,405,336,073,676/193,970,990.28
  6. Step 6: Final answer
    x = 163,645,116.68

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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.