Home / 108,910,007.20-163,365,010.80-84,251,144.80

Finding the Fourth Proportional to 108,910,007.20, 163,365,010.80 and 84,251,144.80

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Solution

The fourth proportional to 108,910,007.20, 163,365,010.80 and 84,251,144.80 is: 126,376,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,910,007.20 : 163,365,010.80 = 84,251,144.80 : x
  2. Step 2: Convert to fraction form
    108,910,007.20/163,365,010.80 = 84,251,144.80/x
  3. Step 3: Cross multiply
    108,910,007.20x = 163,365,010.80 × 84,251,144.80
  4. Step 4: Simplify right side
    108,910,007.20x = 13,763,689,180,164,364
  5. Step 5: Solve for x
    x = 13,763,689,180,164,364/108,910,007.20
  6. Step 6: Final answer
    x = 126,376,717.20

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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.