Home / 108,804,906.40-163,207,359.60-76,493,293.60

Finding the Fourth Proportional to 108,804,906.40, 163,207,359.60 and 76,493,293.60

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Solution

The fourth proportional to 108,804,906.40, 163,207,359.60 and 76,493,293.60 is: 114,739,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804,906.40 : 163,207,359.60 = 76,493,293.60 : x
  2. Step 2: Convert to fraction form
    108,804,906.40/163,207,359.60 = 76,493,293.60/x
  3. Step 3: Cross multiply
    108,804,906.40x = 163,207,359.60 × 76,493,293.60
  4. Step 4: Simplify right side
    108,804,906.40x = 12,484,268,475,563,578
  5. Step 5: Solve for x
    x = 12,484,268,475,563,578/108,804,906.40
  6. Step 6: Final answer
    x = 114,739,940.40

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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.