Home / 117,524,021.28-162,132,840.90-73,394,407.32

Finding the Fourth Proportional to 117,524,021.28, 162,132,840.90 and 73,394,407.32

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Solution

The fourth proportional to 117,524,021.28, 162,132,840.90 and 73,394,407.32 is: 101,252,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,524,021.28 : 162,132,840.90 = 73,394,407.32 : x
  2. Step 2: Convert to fraction form
    117,524,021.28/162,132,840.90 = 73,394,407.32/x
  3. Step 3: Cross multiply
    117,524,021.28x = 162,132,840.90 × 73,394,407.32
  4. Step 4: Simplify right side
    117,524,021.28x = 11,899,643,764,963,354
  5. Step 5: Solve for x
    x = 11,899,643,764,963,354/117,524,021.28
  6. Step 6: Final answer
    x = 101,252,864.18

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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.