Home / 91,288,435.89-125,981,088.18-50,035,433.97

Finding the Fourth Proportional to 91,288,435.89, 125,981,088.18 and 50,035,433.97

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Solution

The fourth proportional to 91,288,435.89, 125,981,088.18 and 50,035,433.97 is: 69,050,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,435.89 : 125,981,088.18 = 50,035,433.97 : x
  2. Step 2: Convert to fraction form
    91,288,435.89/125,981,088.18 = 50,035,433.97/x
  3. Step 3: Cross multiply
    91,288,435.89x = 125,981,088.18 × 50,035,433.97
  4. Step 4: Simplify right side
    91,288,435.89x = 6,303,518,419,099,138
  5. Step 5: Solve for x
    x = 6,303,518,419,099,138/91,288,435.89
  6. Step 6: Final answer
    x = 69,050,568.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.