Home / 228,365,761.98-315,145,061.19-123,943,836.54

Finding the Fourth Proportional to 228,365,761.98, 315,145,061.19 and 123,943,836.54

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Solution

The fourth proportional to 228,365,761.98, 315,145,061.19 and 123,943,836.54 is: 171,042,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,365,761.98 : 315,145,061.19 = 123,943,836.54 : x
  2. Step 2: Convert to fraction form
    228,365,761.98/315,145,061.19 = 123,943,836.54/x
  3. Step 3: Cross multiply
    228,365,761.98x = 315,145,061.19 × 123,943,836.54
  4. Step 4: Simplify right side
    228,365,761.98x = 39,060,287,950,521,656
  5. Step 5: Solve for x
    x = 39,060,287,950,521,656/228,365,761.98
  6. Step 6: Final answer
    x = 171,042,662.49

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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.