Home / 39,379,906.40-59,123,003.70-31,302,003.20

Finding the Fourth Proportional to 39,379,906.40, 59,123,003.70 and 31,302,003.20

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Solution

The fourth proportional to 39,379,906.40, 59,123,003.70 and 31,302,003.20 is: 46,995,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379,906.40 : 59,123,003.70 = 31,302,003.20 : x
  2. Step 2: Convert to fraction form
    39,379,906.40/59,123,003.70 = 31,302,003.20/x
  3. Step 3: Cross multiply
    39,379,906.40x = 59,123,003.70 × 31,302,003.20
  4. Step 4: Simplify right side
    39,379,906.40x = 1,850,668,451,011,012
  5. Step 5: Solve for x
    x = 1,850,668,451,011,012/39,379,906.40
  6. Step 6: Final answer
    x = 46,995,247.58

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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.