Home / 165,860,489.40-248,790,734.10-105,543,612.60

Finding the Fourth Proportional to 165,860,489.40, 248,790,734.10 and 105,543,612.60

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Solution

The fourth proportional to 165,860,489.40, 248,790,734.10 and 105,543,612.60 is: 158,315,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,860,489.40 : 248,790,734.10 = 105,543,612.60 : x
  2. Step 2: Convert to fraction form
    165,860,489.40/248,790,734.10 = 105,543,612.60/x
  3. Step 3: Cross multiply
    165,860,489.40x = 248,790,734.10 × 105,543,612.60
  4. Step 4: Simplify right side
    165,860,489.40x = 26,258,272,858,320,008
  5. Step 5: Solve for x
    x = 26,258,272,858,320,008/165,860,489.40
  6. Step 6: Final answer
    x = 158,315,418.90

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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.