Home / 108,867,009.80-163,300,514.70-100,552,910.60

Finding the Fourth Proportional to 108,867,009.80, 163,300,514.70 and 100,552,910.60

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Solution

The fourth proportional to 108,867,009.80, 163,300,514.70 and 100,552,910.60 is: 150,829,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,009.80 : 163,300,514.70 = 100,552,910.60 : x
  2. Step 2: Convert to fraction form
    108,867,009.80/163,300,514.70 = 100,552,910.60/x
  3. Step 3: Cross multiply
    108,867,009.80x = 163,300,514.70 × 100,552,910.60
  4. Step 4: Simplify right side
    108,867,009.80x = 16,420,342,055,563,084
  5. Step 5: Solve for x
    x = 16,420,342,055,563,084/108,867,009.80
  6. Step 6: Final answer
    x = 150,829,365.90

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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.