Home / 72,215,048.70-108,336,569.85-36,313,256.70

Finding the Fourth Proportional to 72,215,048.70, 108,336,569.85 and 36,313,256.70

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Solution

The fourth proportional to 72,215,048.70, 108,336,569.85 and 36,313,256.70 is: 54,476,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,048.70 : 108,336,569.85 = 36,313,256.70 : x
  2. Step 2: Convert to fraction form
    72,215,048.70/108,336,569.85 = 36,313,256.70/x
  3. Step 3: Cross multiply
    72,215,048.70x = 108,336,569.85 × 36,313,256.70
  4. Step 4: Simplify right side
    72,215,048.70x = 3,934,053,670,960,530.50
  5. Step 5: Solve for x
    x = 3,934,053,670,960,530.50/72,215,048.70
  6. Step 6: Final answer
    x = 54,476,923.33

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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.