Home / 131,864,032-181,972,365.78-73,917,280

Finding the Fourth Proportional to 131,864,032, 181,972,365.78 and 73,917,280

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Solution

The fourth proportional to 131,864,032, 181,972,365.78 and 73,917,280 is: 102,005,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,864,032 : 181,972,365.78 = 73,917,280 : x
  2. Step 2: Convert to fraction form
    131,864,032/181,972,365.78 = 73,917,280/x
  3. Step 3: Cross multiply
    131,864,032x = 181,972,365.78 × 73,917,280
  4. Step 4: Simplify right side
    131,864,032x = 13,450,902,313,622,678
  5. Step 5: Solve for x
    x = 13,450,902,313,622,678/131,864,032
  6. Step 6: Final answer
    x = 102,005,847.31

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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.