Home / 169,489,883.40-254,268,002.70-72,445,403.40

Finding the Fourth Proportional to 169,489,883.40, 254,268,002.70 and 72,445,403.40

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Solution

The fourth proportional to 169,489,883.40, 254,268,002.70 and 72,445,403.40 is: 108,682,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489,883.40 : 254,268,002.70 = 72,445,403.40 : x
  2. Step 2: Convert to fraction form
    169,489,883.40/254,268,002.70 = 72,445,403.40/x
  3. Step 3: Cross multiply
    169,489,883.40x = 254,268,002.70 × 72,445,403.40
  4. Step 4: Simplify right side
    169,489,883.40x = 18,420,548,027,313,788
  5. Step 5: Solve for x
    x = 18,420,548,027,313,788/169,489,883.40
  6. Step 6: Final answer
    x = 108,682,286.27

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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.