Home / 73,100,879.40-109,609,328.70-21,975,234.60

Finding the Fourth Proportional to 73,100,879.40, 109,609,328.70 and 21,975,234.60

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Solution

The fourth proportional to 73,100,879.40, 109,609,328.70 and 21,975,234.60 is: 32,950,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,100,879.40 : 109,609,328.70 = 21,975,234.60 : x
  2. Step 2: Convert to fraction form
    73,100,879.40/109,609,328.70 = 21,975,234.60/x
  3. Step 3: Cross multiply
    73,100,879.40x = 109,609,328.70 × 21,975,234.60
  4. Step 4: Simplify right side
    73,100,879.40x = 2,408,690,712,531,013
  5. Step 5: Solve for x
    x = 2,408,690,712,531,013/73,100,879.40
  6. Step 6: Final answer
    x = 32,950,228.95

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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.