Home / 71,082,376.42-106,627,553.08-19,960,409.38

Finding the Fourth Proportional to 71,082,376.42, 106,627,553.08 and 19,960,409.38

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Solution

The fourth proportional to 71,082,376.42, 106,627,553.08 and 19,960,409.38 is: 29,941,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082,376.42 : 106,627,553.08 = 19,960,409.38 : x
  2. Step 2: Convert to fraction form
    71,082,376.42/106,627,553.08 = 19,960,409.38/x
  3. Step 3: Cross multiply
    71,082,376.42x = 106,627,553.08 × 19,960,409.38
  4. Step 4: Simplify right side
    71,082,376.42x = 2,128,329,610,664,479.75
  5. Step 5: Solve for x
    x = 2,128,329,610,664,479.75/71,082,376.42
  6. Step 6: Final answer
    x = 29,941,734.05

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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.