Home / 54,391,003.20-81,562,885.20-17,985,326.40

Finding the Fourth Proportional to 54,391,003.20, 81,562,885.20 and 17,985,326.40

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Solution

The fourth proportional to 54,391,003.20, 81,562,885.20 and 17,985,326.40 is: 26,970,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391,003.20 : 81,562,885.20 = 17,985,326.40 : x
  2. Step 2: Convert to fraction form
    54,391,003.20/81,562,885.20 = 17,985,326.40/x
  3. Step 3: Cross multiply
    54,391,003.20x = 81,562,885.20 × 17,985,326.40
  4. Step 4: Simplify right side
    54,391,003.20x = 1,466,935,112,447,729.25
  5. Step 5: Solve for x
    x = 1,466,935,112,447,729.25/54,391,003.20
  6. Step 6: Final answer
    x = 26,970,179.37

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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.