Home / 121,626,551.10-167,844,587.34-65,871,974.32

Finding the Fourth Proportional to 121,626,551.10, 167,844,587.34 and 65,871,974.32

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Solution

The fourth proportional to 121,626,551.10, 167,844,587.34 and 65,871,974.32 is: 90,903,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,626,551.10 : 167,844,587.34 = 65,871,974.32 : x
  2. Step 2: Convert to fraction form
    121,626,551.10/167,844,587.34 = 65,871,974.32/x
  3. Step 3: Cross multiply
    121,626,551.10x = 167,844,587.34 × 65,871,974.32
  4. Step 4: Simplify right side
    121,626,551.10x = 11,056,254,347,011,478
  5. Step 5: Solve for x
    x = 11,056,254,347,011,478/121,626,551.10
  6. Step 6: Final answer
    x = 90,903,295.76

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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.