Home / 115,862,334.53-159,890,086.22-63,654,733.21

Finding the Fourth Proportional to 115,862,334.53, 159,890,086.22 and 63,654,733.21

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Solution

The fourth proportional to 115,862,334.53, 159,890,086.22 and 63,654,733.21 is: 87,843,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,862,334.53 : 159,890,086.22 = 63,654,733.21 : x
  2. Step 2: Convert to fraction form
    115,862,334.53/159,890,086.22 = 63,654,733.21/x
  3. Step 3: Cross multiply
    115,862,334.53x = 159,890,086.22 × 63,654,733.21
  4. Step 4: Simplify right side
    115,862,334.53x = 10,177,760,781,257,998
  5. Step 5: Solve for x
    x = 10,177,760,781,257,998/115,862,334.53
  6. Step 6: Final answer
    x = 87,843,567.30

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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.