Home / 121,626,490.91-167,844,504.44-65,871,913.87

Finding the Fourth Proportional to 121,626,490.91, 167,844,504.44 and 65,871,913.87

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Solution

The fourth proportional to 121,626,490.91, 167,844,504.44 and 65,871,913.87 is: 90,903,212.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,626,490.91 : 167,844,504.44 = 65,871,913.87 : x
  2. Step 2: Convert to fraction form
    121,626,490.91/167,844,504.44 = 65,871,913.87/x
  3. Step 3: Cross multiply
    121,626,490.91x = 167,844,504.44 × 65,871,913.87
  4. Step 4: Simplify right side
    121,626,490.91x = 11,056,238,740,024,512
  5. Step 5: Solve for x
    x = 11,056,238,740,024,512/121,626,490.91
  6. Step 6: Final answer
    x = 90,903,212.43

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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.