Home / 79,447,849.31-119,174,010.35-21,940,120.48

Finding the Fourth Proportional to 79,447,849.31, 119,174,010.35 and 21,940,120.48

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Solution

The fourth proportional to 79,447,849.31, 119,174,010.35 and 21,940,120.48 is: 32,910,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,447,849.31 : 119,174,010.35 = 21,940,120.48 : x
  2. Step 2: Convert to fraction form
    79,447,849.31/119,174,010.35 = 21,940,120.48/x
  3. Step 3: Cross multiply
    79,447,849.31x = 119,174,010.35 × 21,940,120.48
  4. Step 4: Simplify right side
    79,447,849.31x = 2,614,692,145,163,767
  5. Step 5: Solve for x
    x = 2,614,692,145,163,767/79,447,849.31
  6. Step 6: Final answer
    x = 32,910,798.31

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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.