Home / 51,108,512.88-76,682,090.33-20,006,397.94

Finding the Fourth Proportional to 51,108,512.88, 76,682,090.33 and 20,006,397.94

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Solution

The fourth proportional to 51,108,512.88, 76,682,090.33 and 20,006,397.94 is: 30,017,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,108,512.88 : 76,682,090.33 = 20,006,397.94 : x
  2. Step 2: Convert to fraction form
    51,108,512.88/76,682,090.33 = 20,006,397.94/x
  3. Step 3: Cross multiply
    51,108,512.88x = 76,682,090.33 × 20,006,397.94
  4. Step 4: Simplify right side
    51,108,512.88x = 1,534,132,413,684,638.75
  5. Step 5: Solve for x
    x = 1,534,132,413,684,638.75/51,108,512.88
  6. Step 6: Final answer
    x = 30,017,160.10

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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.