Home / 132,867,079.60-199,300,619.40-118,518,172.60

Finding the Fourth Proportional to 132,867,079.60, 199,300,619.40 and 118,518,172.60

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Solution

The fourth proportional to 132,867,079.60, 199,300,619.40 and 118,518,172.60 is: 177,777,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,867,079.60 : 199,300,619.40 = 118,518,172.60 : x
  2. Step 2: Convert to fraction form
    132,867,079.60/199,300,619.40 = 118,518,172.60/x
  3. Step 3: Cross multiply
    132,867,079.60x = 199,300,619.40 × 118,518,172.60
  4. Step 4: Simplify right side
    132,867,079.60x = 23,620,745,209,336,108
  5. Step 5: Solve for x
    x = 23,620,745,209,336,108/132,867,079.60
  6. Step 6: Final answer
    x = 177,777,258.90

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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.