Home / 103,684,636.80-143,082,025.92-57,273,891.84

Finding the Fourth Proportional to 103,684,636.80, 143,082,025.92 and 57,273,891.84

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Solution

The fourth proportional to 103,684,636.80, 143,082,025.92 and 57,273,891.84 is: 79,036,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,684,636.80 : 143,082,025.92 = 57,273,891.84 : x
  2. Step 2: Convert to fraction form
    103,684,636.80/143,082,025.92 = 57,273,891.84/x
  3. Step 3: Cross multiply
    103,684,636.80x = 143,082,025.92 × 57,273,891.84
  4. Step 4: Simplify right side
    103,684,636.80x = 8,194,864,476,790,156
  5. Step 5: Solve for x
    x = 8,194,864,476,790,156/103,684,636.80
  6. Step 6: Final answer
    x = 79,036,439.05

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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.