Home / 54,391,002.20-81,562,883.70-17,985,325.40

Finding the Fourth Proportional to 54,391,002.20, 81,562,883.70 and 17,985,325.40

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Solution

The fourth proportional to 54,391,002.20, 81,562,883.70 and 17,985,325.40 is: 26,970,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391,002.20 : 81,562,883.70 = 17,985,325.40 : x
  2. Step 2: Convert to fraction form
    54,391,002.20/81,562,883.70 = 17,985,325.40/x
  3. Step 3: Cross multiply
    54,391,002.20x = 81,562,883.70 × 17,985,325.40
  4. Step 4: Simplify right side
    54,391,002.20x = 1,466,935,003,906,856
  5. Step 5: Solve for x
    x = 1,466,935,003,906,856/54,391,002.20
  6. Step 6: Final answer
    x = 26,970,177.87

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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.