Home / 108,867,553.80-163,544,633.10-90,951,649.80

Finding the Fourth Proportional to 108,867,553.80, 163,544,633.10 and 90,951,649.80

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Solution

The fourth proportional to 108,867,553.80, 163,544,633.10 and 90,951,649.80 is: 136,630,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,553.80 : 163,544,633.10 = 90,951,649.80 : x
  2. Step 2: Convert to fraction form
    108,867,553.80/163,544,633.10 = 90,951,649.80/x
  3. Step 3: Cross multiply
    108,867,553.80x = 163,544,633.10 × 90,951,649.80
  4. Step 4: Simplify right side
    108,867,553.80x = 14,874,654,196,380,688
  5. Step 5: Solve for x
    x = 14,874,654,196,380,688/108,867,553.80
  6. Step 6: Final answer
    x = 136,630,737.78

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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.