Home / 121,626,481.35-167,844,491.25-65,871,904.35

Finding the Fourth Proportional to 121,626,481.35, 167,844,491.25 and 65,871,904.35

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Solution

The fourth proportional to 121,626,481.35, 167,844,491.25 and 65,871,904.35 is: 90,903,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,626,481.35 : 167,844,491.25 = 65,871,904.35 : x
  2. Step 2: Convert to fraction form
    121,626,481.35/167,844,491.25 = 65,871,904.35/x
  3. Step 3: Cross multiply
    121,626,481.35x = 167,844,491.25 × 65,871,904.35
  4. Step 4: Simplify right side
    121,626,481.35x = 11,056,236,273,294,412
  5. Step 5: Solve for x
    x = 11,056,236,273,294,412/121,626,481.35
  6. Step 6: Final answer
    x = 90,903,199.29

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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.