Home / 78,389,687.92-117,576,933.93-23,802,753.28

Finding the Fourth Proportional to 78,389,687.92, 117,576,933.93 and 23,802,753.28

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Solution

The fourth proportional to 78,389,687.92, 117,576,933.93 and 23,802,753.28 is: 35,701,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,687.92 : 117,576,933.93 = 23,802,753.28 : x
  2. Step 2: Convert to fraction form
    78,389,687.92/117,576,933.93 = 23,802,753.28/x
  3. Step 3: Cross multiply
    78,389,687.92x = 117,576,933.93 × 23,802,753.28
  4. Step 4: Simplify right side
    78,389,687.92x = 2,798,654,749,635,637
  5. Step 5: Solve for x
    x = 2,798,654,749,635,637/78,389,687.92
  6. Step 6: Final answer
    x = 35,701,822.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.