Home / 231,418,571.36-347,126,903.10-83,831,573.52

Finding the Fourth Proportional to 231,418,571.36, 347,126,903.10 and 83,831,573.52

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Solution

The fourth proportional to 231,418,571.36, 347,126,903.10 and 83,831,573.52 is: 125,747,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,418,571.36 : 347,126,903.10 = 83,831,573.52 : x
  2. Step 2: Convert to fraction form
    231,418,571.36/347,126,903.10 = 83,831,573.52/x
  3. Step 3: Cross multiply
    231,418,571.36x = 347,126,903.10 × 83,831,573.52
  4. Step 4: Simplify right side
    231,418,571.36x = 29,100,194,497,997,568
  5. Step 5: Solve for x
    x = 29,100,194,497,997,568/231,418,571.36
  6. Step 6: Final answer
    x = 125,747,014.72

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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.