Home / 54,391,014.20-81,562,901.70-17,985,337.40

Finding the Fourth Proportional to 54,391,014.20, 81,562,901.70 and 17,985,337.40

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Solution

The fourth proportional to 54,391,014.20, 81,562,901.70 and 17,985,337.40 is: 26,970,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391,014.20 : 81,562,901.70 = 17,985,337.40 : x
  2. Step 2: Convert to fraction form
    54,391,014.20/81,562,901.70 = 17,985,337.40/x
  3. Step 3: Cross multiply
    54,391,014.20x = 81,562,901.70 × 17,985,337.40
  4. Step 4: Simplify right side
    54,391,014.20x = 1,466,936,306,397,533.50
  5. Step 5: Solve for x
    x = 1,466,936,306,397,533.50/54,391,014.20
  6. Step 6: Final answer
    x = 26,970,195.87

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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.