Home / 31,177,890,935.70-46,766,836,403.55-19,193,683,809.30

Finding the Fourth Proportional to 31,177,890,935.70, 46,766,836,403.55 and 19,193,683,809.30

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Solution

The fourth proportional to 31,177,890,935.70, 46,766,836,403.55 and 19,193,683,809.30 is: 28,790,525,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177,890,935.70 : 46,766,836,403.55 = 19,193,683,809.30 : x
  2. Step 2: Convert to fraction form
    31,177,890,935.70/46,766,836,403.55 = 19,193,683,809.30/x
  3. Step 3: Cross multiply
    31,177,890,935.70x = 46,766,836,403.55 × 19,193,683,809.30
  4. Step 4: Simplify right side
    31,177,890,935.70x = 897,627,870,690,999,533,568
  5. Step 5: Solve for x
    x = 897,627,870,690,999,533,568/31,177,890,935.70
  6. Step 6: Final answer
    x = 28,790,525,713.95

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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.