Home / 91,015,942.92-136,621,069.11-39,226,104.39

Finding the Fourth Proportional to 91,015,942.92, 136,621,069.11 and 39,226,104.39

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Solution

The fourth proportional to 91,015,942.92, 136,621,069.11 and 39,226,104.39 is: 58,881,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,015,942.92 : 136,621,069.11 = 39,226,104.39 : x
  2. Step 2: Convert to fraction form
    91,015,942.92/136,621,069.11 = 39,226,104.39/x
  3. Step 3: Cross multiply
    91,015,942.92x = 136,621,069.11 × 39,226,104.39
  4. Step 4: Simplify right side
    91,015,942.92x = 5,359,112,318,782,265
  5. Step 5: Solve for x
    x = 5,359,112,318,782,265/91,015,942.92
  6. Step 6: Final answer
    x = 58,881,028.39

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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.