Home / 146,635,021.81-202,333,835.55-84,743,407.81

Finding the Fourth Proportional to 146,635,021.81, 202,333,835.55 and 84,743,407.81

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Solution

The fourth proportional to 146,635,021.81, 202,333,835.55 and 84,743,407.81 is: 116,932,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,635,021.81 : 202,333,835.55 = 84,743,407.81 : x
  2. Step 2: Convert to fraction form
    146,635,021.81/202,333,835.55 = 84,743,407.81/x
  3. Step 3: Cross multiply
    146,635,021.81x = 202,333,835.55 × 84,743,407.81
  4. Step 4: Simplify right side
    146,635,021.81x = 17,146,458,739,775,128
  5. Step 5: Solve for x
    x = 17,146,458,739,775,128/146,635,021.81
  6. Step 6: Final answer
    x = 116,932,902.71

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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.