Home / 65,373,545.87-90,221,865.61-48,824,940.22

Finding the Fourth Proportional to 65,373,545.87, 90,221,865.61 and 48,824,940.22

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Solution

The fourth proportional to 65,373,545.87, 90,221,865.61 and 48,824,940.22 is: 67,383,176.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,373,545.87 : 90,221,865.61 = 48,824,940.22 : x
  2. Step 2: Convert to fraction form
    65,373,545.87/90,221,865.61 = 48,824,940.22/x
  3. Step 3: Cross multiply
    65,373,545.87x = 90,221,865.61 × 48,824,940.22
  4. Step 4: Simplify right side
    65,373,545.87x = 4,405,077,194,945,123.50
  5. Step 5: Solve for x
    x = 4,405,077,194,945,123.50/65,373,545.87
  6. Step 6: Final answer
    x = 67,383,176.73

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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.