Home / 71,295,198.85-106,758,618.50-49,205,503.46

Finding the Fourth Proportional to 71,295,198.85, 106,758,618.50 and 49,205,503.46

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Solution

The fourth proportional to 71,295,198.85, 106,758,618.50 and 49,205,503.46 is: 73,681,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,295,198.85 : 106,758,618.50 = 49,205,503.46 : x
  2. Step 2: Convert to fraction form
    71,295,198.85/106,758,618.50 = 49,205,503.46/x
  3. Step 3: Cross multiply
    71,295,198.85x = 106,758,618.50 × 49,205,503.46
  4. Step 4: Simplify right side
    71,295,198.85x = 5,253,111,572,376,480
  5. Step 5: Solve for x
    x = 5,253,111,572,376,480/71,295,198.85
  6. Step 6: Final answer
    x = 73,681,140.62

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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.