Home / 108,587,258.40-162,786,409.20-65,410,629.60

Finding the Fourth Proportional to 108,587,258.40, 162,786,409.20 and 65,410,629.60

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Solution

The fourth proportional to 108,587,258.40, 162,786,409.20 and 65,410,629.60 is: 98,059,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,587,258.40 : 162,786,409.20 = 65,410,629.60 : x
  2. Step 2: Convert to fraction form
    108,587,258.40/162,786,409.20 = 65,410,629.60/x
  3. Step 3: Cross multiply
    108,587,258.40x = 162,786,409.20 × 65,410,629.60
  4. Step 4: Simplify right side
    108,587,258.40x = 10,647,961,516,095,232
  5. Step 5: Solve for x
    x = 10,647,961,516,095,232/108,587,258.40
  6. Step 6: Final answer
    x = 98,059,032.64

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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.