Home / 215,853,834.33-323,708,250.42-70,253,153.64

Finding the Fourth Proportional to 215,853,834.33, 323,708,250.42 and 70,253,153.64

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Solution

The fourth proportional to 215,853,834.33, 323,708,250.42 and 70,253,153.64 is: 105,356,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,853,834.33 : 323,708,250.42 = 70,253,153.64 : x
  2. Step 2: Convert to fraction form
    215,853,834.33/323,708,250.42 = 70,253,153.64/x
  3. Step 3: Cross multiply
    215,853,834.33x = 323,708,250.42 × 70,253,153.64
  4. Step 4: Simplify right side
    215,853,834.33x = 22,741,525,451,291,856
  5. Step 5: Solve for x
    x = 22,741,525,451,291,856/215,853,834.33
  6. Step 6: Final answer
    x = 105,356,133.80

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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.