Home / 215,784,693.55-323,677,040.33-214,273,039.15

Finding the Fourth Proportional to 215,784,693.55, 323,677,040.33 and 214,273,039.15

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Solution

The fourth proportional to 215,784,693.55, 323,677,040.33 and 214,273,039.15 is: 321,409,558.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,784,693.55 : 323,677,040.33 = 214,273,039.15 : x
  2. Step 2: Convert to fraction form
    215,784,693.55/323,677,040.33 = 214,273,039.15/x
  3. Step 3: Cross multiply
    215,784,693.55x = 323,677,040.33 × 214,273,039.15
  4. Step 4: Simplify right side
    215,784,693.55x = 69,355,263,133,514,856
  5. Step 5: Solve for x
    x = 69,355,263,133,514,856/215,784,693.55
  6. Step 6: Final answer
    x = 321,409,558.73

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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.