Home / 72,769,162.39-100,420,924.17-39,729,410.44

Finding the Fourth Proportional to 72,769,162.39, 100,420,924.17 and 39,729,410.44

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Solution

The fourth proportional to 72,769,162.39, 100,420,924.17 and 39,729,410.44 is: 54,826,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,769,162.39 : 100,420,924.17 = 39,729,410.44 : x
  2. Step 2: Convert to fraction form
    72,769,162.39/100,420,924.17 = 39,729,410.44/x
  3. Step 3: Cross multiply
    72,769,162.39x = 100,420,924.17 × 39,729,410.44
  4. Step 4: Simplify right side
    72,769,162.39x = 3,989,664,113,114,046
  5. Step 5: Solve for x
    x = 3,989,664,113,114,046/72,769,162.39
  6. Step 6: Final answer
    x = 54,826,302.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.