Home / 103,770,922.92-143,204,162.25-56,728,564.83

Finding the Fourth Proportional to 103,770,922.92, 143,204,162.25 and 56,728,564.83

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Solution

The fourth proportional to 103,770,922.92, 143,204,162.25 and 56,728,564.83 is: 78,285,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,770,922.92 : 143,204,162.25 = 56,728,564.83 : x
  2. Step 2: Convert to fraction form
    103,770,922.92/143,204,162.25 = 56,728,564.83/x
  3. Step 3: Cross multiply
    103,770,922.92x = 143,204,162.25 × 56,728,564.83
  4. Step 4: Simplify right side
    103,770,922.92x = 8,123,766,602,124,963
  5. Step 5: Solve for x
    x = 8,123,766,602,124,963/103,770,922.92
  6. Step 6: Final answer
    x = 78,285,577.25

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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.