Home / 143,678,864-215,520,162.24-47,940,752

Finding the Fourth Proportional to 143,678,864, 215,520,162.24 and 47,940,752

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Solution

The fourth proportional to 143,678,864, 215,520,162.24 and 47,940,752 is: 71,911,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,678,864 : 215,520,162.24 = 47,940,752 : x
  2. Step 2: Convert to fraction form
    143,678,864/215,520,162.24 = 47,940,752/x
  3. Step 3: Cross multiply
    143,678,864x = 215,520,162.24 × 47,940,752
  4. Step 4: Simplify right side
    143,678,864x = 10,332,198,648,947,604
  5. Step 5: Solve for x
    x = 10,332,198,648,947,604/143,678,864
  6. Step 6: Final answer
    x = 71,911,750.70

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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.