Home / 262,167,780.15-392,922,838.58-139,042,200.87

Finding the Fourth Proportional to 262,167,780.15, 392,922,838.58 and 139,042,200.87

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Solution

The fourth proportional to 262,167,780.15, 392,922,838.58 and 139,042,200.87 is: 208,388,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,167,780.15 : 392,922,838.58 = 139,042,200.87 : x
  2. Step 2: Convert to fraction form
    262,167,780.15/392,922,838.58 = 139,042,200.87/x
  3. Step 3: Cross multiply
    262,167,780.15x = 392,922,838.58 × 139,042,200.87
  4. Step 4: Simplify right side
    262,167,780.15x = 54,632,856,247,555,736
  5. Step 5: Solve for x
    x = 54,632,856,247,555,736/262,167,780.15
  6. Step 6: Final answer
    x = 208,388,903.53

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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.