Home / 77,760,601.70-116,640,902.55-47,149,600.10

Finding the Fourth Proportional to 77,760,601.70, 116,640,902.55 and 47,149,600.10

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Solution

The fourth proportional to 77,760,601.70, 116,640,902.55 and 47,149,600.10 is: 70,724,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760,601.70 : 116,640,902.55 = 47,149,600.10 : x
  2. Step 2: Convert to fraction form
    77,760,601.70/116,640,902.55 = 47,149,600.10/x
  3. Step 3: Cross multiply
    77,760,601.70x = 116,640,902.55 × 47,149,600.10
  4. Step 4: Simplify right side
    77,760,601.70x = 5,499,571,910,535,570
  5. Step 5: Solve for x
    x = 5,499,571,910,535,570/77,760,601.70
  6. Step 6: Final answer
    x = 70,724,400.15

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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.