Home / 91,631,033.43-126,447,572.61-50,377,625.43

Finding the Fourth Proportional to 91,631,033.43, 126,447,572.61 and 50,377,625.43

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Solution

The fourth proportional to 91,631,033.43, 126,447,572.61 and 50,377,625.43 is: 69,519,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,631,033.43 : 126,447,572.61 = 50,377,625.43 : x
  2. Step 2: Convert to fraction form
    91,631,033.43/126,447,572.61 = 50,377,625.43/x
  3. Step 3: Cross multiply
    91,631,033.43x = 126,447,572.61 × 50,377,625.43
  4. Step 4: Simplify right side
    91,631,033.43x = 6,370,128,449,479,307
  5. Step 5: Solve for x
    x = 6,370,128,449,479,307/91,631,033.43
  6. Step 6: Final answer
    x = 69,519,334.35

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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.