Home / 115,627,840.57-159,551,709.77-66,071,426.59

Finding the Fourth Proportional to 115,627,840.57, 159,551,709.77 and 66,071,426.59

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Solution

The fourth proportional to 115,627,840.57, 159,551,709.77 and 66,071,426.59 is: 91,170,163.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,627,840.57 : 159,551,709.77 = 66,071,426.59 : x
  2. Step 2: Convert to fraction form
    115,627,840.57/159,551,709.77 = 66,071,426.59/x
  3. Step 3: Cross multiply
    115,627,840.57x = 159,551,709.77 × 66,071,426.59
  4. Step 4: Simplify right side
    115,627,840.57x = 10,541,809,079,377,542
  5. Step 5: Solve for x
    x = 10,541,809,079,377,542/115,627,840.57
  6. Step 6: Final answer
    x = 91,170,163.06

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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.