Home / 115,581,028.56-159,500,976.36-63,369,203.04

Finding the Fourth Proportional to 115,581,028.56, 159,500,976.36 and 63,369,203.04

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Solution

The fourth proportional to 115,581,028.56, 159,500,976.36 and 63,369,203.04 is: 87,449,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,581,028.56 : 159,500,976.36 = 63,369,203.04 : x
  2. Step 2: Convert to fraction form
    115,581,028.56/159,500,976.36 = 63,369,203.04/x
  3. Step 3: Cross multiply
    115,581,028.56x = 159,500,976.36 × 63,369,203.04
  4. Step 4: Simplify right side
    115,581,028.56x = 10,107,449,756,035,080
  5. Step 5: Solve for x
    x = 10,107,449,756,035,080/115,581,028.56
  6. Step 6: Final answer
    x = 87,449,037.98

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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.