Home / 71,351,694.50-98,473,506.75-39,998,211.67

Finding the Fourth Proportional to 71,351,694.50, 98,473,506.75 and 39,998,211.67

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Solution

The fourth proportional to 71,351,694.50, 98,473,506.75 and 39,998,211.67 is: 55,202,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,351,694.50 : 98,473,506.75 = 39,998,211.67 : x
  2. Step 2: Convert to fraction form
    71,351,694.50/98,473,506.75 = 39,998,211.67/x
  3. Step 3: Cross multiply
    71,351,694.50x = 98,473,506.75 × 39,998,211.67
  4. Step 4: Simplify right side
    71,351,694.50x = 3,938,764,166,627,489.50
  5. Step 5: Solve for x
    x = 3,938,764,166,627,489.50/71,351,694.50
  6. Step 6: Final answer
    x = 55,202,111.09

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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.