Home / 87,123,556.19-120,225,943.67-47,957,683.10

Finding the Fourth Proportional to 87,123,556.19, 120,225,943.67 and 47,957,683.10

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Solution

The fourth proportional to 87,123,556.19, 120,225,943.67 and 47,957,683.10 is: 66,179,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,123,556.19 : 120,225,943.67 = 47,957,683.10 : x
  2. Step 2: Convert to fraction form
    87,123,556.19/120,225,943.67 = 47,957,683.10/x
  3. Step 3: Cross multiply
    87,123,556.19x = 120,225,943.67 × 47,957,683.10
  4. Step 4: Simplify right side
    87,123,556.19x = 5,765,757,706,083,393
  5. Step 5: Solve for x
    x = 5,765,757,706,083,393/87,123,556.19
  6. Step 6: Final answer
    x = 66,179,090.46

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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.