Home / 54,311,897.20-81,467,845.80-15,977,286.40

Finding the Fourth Proportional to 54,311,897.20, 81,467,845.80 and 15,977,286.40

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Solution

The fourth proportional to 54,311,897.20, 81,467,845.80 and 15,977,286.40 is: 23,965,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311,897.20 : 81,467,845.80 = 15,977,286.40 : x
  2. Step 2: Convert to fraction form
    54,311,897.20/81,467,845.80 = 15,977,286.40/x
  3. Step 3: Cross multiply
    54,311,897.20x = 81,467,845.80 × 15,977,286.40
  4. Step 4: Simplify right side
    54,311,897.20x = 1,301,635,104,737,637
  5. Step 5: Solve for x
    x = 1,301,635,104,737,637/54,311,897.20
  6. Step 6: Final answer
    x = 23,965,929.60

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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.