Home / 215,990,575.50-324,048,606.47-77,813,553.54

Finding the Fourth Proportional to 215,990,575.50, 324,048,606.47 and 77,813,553.54

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Solution

The fourth proportional to 215,990,575.50, 324,048,606.47 and 77,813,553.54 is: 116,742,934.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,990,575.50 : 324,048,606.47 = 77,813,553.54 : x
  2. Step 2: Convert to fraction form
    215,990,575.50/324,048,606.47 = 77,813,553.54/x
  3. Step 3: Cross multiply
    215,990,575.50x = 324,048,606.47 × 77,813,553.54
  4. Step 4: Simplify right side
    215,990,575.50x = 25,215,373,588,726,668
  5. Step 5: Solve for x
    x = 25,215,373,588,726,668/215,990,575.50
  6. Step 6: Final answer
    x = 116,742,934.41

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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.