Home / 91,288,432.89-125,981,084.03-50,035,430.97

Finding the Fourth Proportional to 91,288,432.89, 125,981,084.03 and 50,035,430.97

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Solution

The fourth proportional to 91,288,432.89, 125,981,084.03 and 50,035,430.97 is: 69,050,564.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,432.89 : 125,981,084.03 = 50,035,430.97 : x
  2. Step 2: Convert to fraction form
    91,288,432.89/125,981,084.03 = 50,035,430.97/x
  3. Step 3: Cross multiply
    91,288,432.89x = 125,981,084.03 × 50,035,430.97
  4. Step 4: Simplify right side
    91,288,432.89x = 6,303,517,833,258,657
  5. Step 5: Solve for x
    x = 6,303,517,833,258,657/91,288,432.89
  6. Step 6: Final answer
    x = 69,050,564.61

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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.