Home / 146,635,021.31-202,333,834.86-84,743,407.31

Finding the Fourth Proportional to 146,635,021.31, 202,333,834.86 and 84,743,407.31

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Solution

The fourth proportional to 146,635,021.31, 202,333,834.86 and 84,743,407.31 is: 116,932,902.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,635,021.31 : 202,333,834.86 = 84,743,407.31 : x
  2. Step 2: Convert to fraction form
    146,635,021.31/202,333,834.86 = 84,743,407.31/x
  3. Step 3: Cross multiply
    146,635,021.31x = 202,333,834.86 × 84,743,407.31
  4. Step 4: Simplify right side
    146,635,021.31x = 17,146,458,580,135,258
  5. Step 5: Solve for x
    x = 17,146,458,580,135,258/146,635,021.31
  6. Step 6: Final answer
    x = 116,932,902.02

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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.