Home / 55,123,669.80-82,685,504.70-38,684,428.20

Finding the Fourth Proportional to 55,123,669.80, 82,685,504.70 and 38,684,428.20

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Solution

The fourth proportional to 55,123,669.80, 82,685,504.70 and 38,684,428.20 is: 58,026,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,123,669.80 : 82,685,504.70 = 38,684,428.20 : x
  2. Step 2: Convert to fraction form
    55,123,669.80/82,685,504.70 = 38,684,428.20/x
  3. Step 3: Cross multiply
    55,123,669.80x = 82,685,504.70 × 38,684,428.20
  4. Step 4: Simplify right side
    55,123,669.80x = 3,198,641,469,747,913
  5. Step 5: Solve for x
    x = 3,198,641,469,747,913/55,123,669.80
  6. Step 6: Final answer
    x = 58,026,642.30

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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.