Home / 106,149,781.86-146,531,897.19-71,362,648.50

Finding the Fourth Proportional to 106,149,781.86, 146,531,897.19 and 71,362,648.50

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Solution

The fourth proportional to 106,149,781.86, 146,531,897.19 and 71,362,648.50 is: 98,510,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,149,781.86 : 146,531,897.19 = 71,362,648.50 : x
  2. Step 2: Convert to fraction form
    106,149,781.86/146,531,897.19 = 71,362,648.50/x
  3. Step 3: Cross multiply
    106,149,781.86x = 146,531,897.19 × 71,362,648.50
  4. Step 4: Simplify right side
    106,149,781.86x = 10,456,904,273,208,108
  5. Step 5: Solve for x
    x = 10,456,904,273,208,108/106,149,781.86
  6. Step 6: Final answer
    x = 98,510,840.91

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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.