Home / 39,297,747.82-54,194,107.31-31,057,495.76

Finding the Fourth Proportional to 39,297,747.82, 54,194,107.31 and 31,057,495.76

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Solution

The fourth proportional to 39,297,747.82, 54,194,107.31 and 31,057,495.76 is: 42,830,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,297,747.82 : 54,194,107.31 = 31,057,495.76 : x
  2. Step 2: Convert to fraction form
    39,297,747.82/54,194,107.31 = 31,057,495.76/x
  3. Step 3: Cross multiply
    39,297,747.82x = 54,194,107.31 × 31,057,495.76
  4. Step 4: Simplify right side
    39,297,747.82x = 1,683,133,257,997,310.25
  5. Step 5: Solve for x
    x = 1,683,133,257,997,310.25/39,297,747.82
  6. Step 6: Final answer
    x = 42,830,272.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.