Home / 82,986,391.28-114,531,262.20-47,231,525.34

Finding the Fourth Proportional to 82,986,391.28, 114,531,262.20 and 47,231,525.34

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Solution

The fourth proportional to 82,986,391.28, 114,531,262.20 and 47,231,525.34 is: 65,185,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986,391.28 : 114,531,262.20 = 47,231,525.34 : x
  2. Step 2: Convert to fraction form
    82,986,391.28/114,531,262.20 = 47,231,525.34/x
  3. Step 3: Cross multiply
    82,986,391.28x = 114,531,262.20 × 47,231,525.34
  4. Step 4: Simplify right side
    82,986,391.28x = 5,409,486,212,821,485
  5. Step 5: Solve for x
    x = 5,409,486,212,821,485/82,986,391.28
  6. Step 6: Final answer
    x = 65,185,220.48

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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.