Home / 40,840,910.70-61,261,366.05-31,593,837.30

Finding the Fourth Proportional to 40,840,910.70, 61,261,366.05 and 31,593,837.30

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Solution

The fourth proportional to 40,840,910.70, 61,261,366.05 and 31,593,837.30 is: 47,390,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,840,910.70 : 61,261,366.05 = 31,593,837.30 : x
  2. Step 2: Convert to fraction form
    40,840,910.70/61,261,366.05 = 31,593,837.30/x
  3. Step 3: Cross multiply
    40,840,910.70x = 61,261,366.05 × 31,593,837.30
  4. Step 4: Simplify right side
    40,840,910.70x = 1,935,481,631,759,443.50
  5. Step 5: Solve for x
    x = 1,935,481,631,759,443.50/40,840,910.70
  6. Step 6: Final answer
    x = 47,390,755.95

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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.