Home / 108,876,672.90-163,315,009.35-98,798,976.90

Finding the Fourth Proportional to 108,876,672.90, 163,315,009.35 and 98,798,976.90

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Solution

The fourth proportional to 108,876,672.90, 163,315,009.35 and 98,798,976.90 is: 148,198,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876,672.90 : 163,315,009.35 = 98,798,976.90 : x
  2. Step 2: Convert to fraction form
    108,876,672.90/163,315,009.35 = 98,798,976.90/x
  3. Step 3: Cross multiply
    108,876,672.90x = 163,315,009.35 × 98,798,976.90
  4. Step 4: Simplify right side
    108,876,672.90x = 16,135,355,836,193,934
  5. Step 5: Solve for x
    x = 16,135,355,836,193,934/108,876,672.90
  6. Step 6: Final answer
    x = 148,198,465.35

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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.