Home / 70,185,778.29-105,238,144.08-21,650,600.43

Finding the Fourth Proportional to 70,185,778.29, 105,238,144.08 and 21,650,600.43

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Solution

The fourth proportional to 70,185,778.29, 105,238,144.08 and 21,650,600.43 is: 32,463,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,185,778.29 : 105,238,144.08 = 21,650,600.43 : x
  2. Step 2: Convert to fraction form
    70,185,778.29/105,238,144.08 = 21,650,600.43/x
  3. Step 3: Cross multiply
    70,185,778.29x = 105,238,144.08 × 21,650,600.43
  4. Step 4: Simplify right side
    70,185,778.29x = 2,278,469,007,470,850
  5. Step 5: Solve for x
    x = 2,278,469,007,470,850/70,185,778.29
  6. Step 6: Final answer
    x = 32,463,400.18

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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.