Home / 78,942,831.43-118,183,340.88-46,052,833.68

Finding the Fourth Proportional to 78,942,831.43, 118,183,340.88 and 46,052,833.68

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Solution

The fourth proportional to 78,942,831.43, 118,183,340.88 and 46,052,833.68 is: 68,944,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,942,831.43 : 118,183,340.88 = 46,052,833.68 : x
  2. Step 2: Convert to fraction form
    78,942,831.43/118,183,340.88 = 46,052,833.68/x
  3. Step 3: Cross multiply
    78,942,831.43x = 118,183,340.88 × 46,052,833.68
  4. Step 4: Simplify right side
    78,942,831.43x = 5,442,677,741,293,385
  5. Step 5: Solve for x
    x = 5,442,677,741,293,385/78,942,831.43
  6. Step 6: Final answer
    x = 68,944,546.87

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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.