Home / 54,515,672.40-81,773,508.60-51,156,440.40

Finding the Fourth Proportional to 54,515,672.40, 81,773,508.60 and 51,156,440.40

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Solution

The fourth proportional to 54,515,672.40, 81,773,508.60 and 51,156,440.40 is: 76,734,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,515,672.40 : 81,773,508.60 = 51,156,440.40 : x
  2. Step 2: Convert to fraction form
    54,515,672.40/81,773,508.60 = 51,156,440.40/x
  3. Step 3: Cross multiply
    54,515,672.40x = 81,773,508.60 × 51,156,440.40
  4. Step 4: Simplify right side
    54,515,672.40x = 4,183,241,618,994,787
  5. Step 5: Solve for x
    x = 4,183,241,618,994,787/54,515,672.40
  6. Step 6: Final answer
    x = 76,734,660.60

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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.