Home / 126,373,015.80-189,559,523.70-104,831,940.60

Finding the Fourth Proportional to 126,373,015.80, 189,559,523.70 and 104,831,940.60

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Solution

The fourth proportional to 126,373,015.80, 189,559,523.70 and 104,831,940.60 is: 157,247,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,373,015.80 : 189,559,523.70 = 104,831,940.60 : x
  2. Step 2: Convert to fraction form
    126,373,015.80/189,559,523.70 = 104,831,940.60/x
  3. Step 3: Cross multiply
    126,373,015.80x = 189,559,523.70 × 104,831,940.60
  4. Step 4: Simplify right side
    126,373,015.80x = 19,871,892,728,682,688
  5. Step 5: Solve for x
    x = 19,871,892,728,682,688/126,373,015.80
  6. Step 6: Final answer
    x = 157,247,910.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.