Home / 108,879,892.20-163,333,835.10-54,320,365.80

Finding the Fourth Proportional to 108,879,892.20, 163,333,835.10 and 54,320,365.80

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Solution

The fourth proportional to 108,879,892.20, 163,333,835.10 and 54,320,365.80 is: 81,487,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,879,892.20 : 163,333,835.10 = 54,320,365.80 : x
  2. Step 2: Convert to fraction form
    108,879,892.20/163,333,835.10 = 54,320,365.80/x
  3. Step 3: Cross multiply
    108,879,892.20x = 163,333,835.10 × 54,320,365.80
  4. Step 4: Simplify right side
    108,879,892.20x = 8,872,353,670,148,879
  5. Step 5: Solve for x
    x = 8,872,353,670,148,879/108,879,892.20
  6. Step 6: Final answer
    x = 81,487,531.73

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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.