Home / 81,959,414.88-113,104,032.96-45,289,986.24

Finding the Fourth Proportional to 81,959,414.88, 113,104,032.96 and 45,289,986.24

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Solution

The fourth proportional to 81,959,414.88, 113,104,032.96 and 45,289,986.24 is: 62,500,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,959,414.88 : 113,104,032.96 = 45,289,986.24 : x
  2. Step 2: Convert to fraction form
    81,959,414.88/113,104,032.96 = 45,289,986.24/x
  3. Step 3: Cross multiply
    81,959,414.88x = 113,104,032.96 × 45,289,986.24
  4. Step 4: Simplify right side
    81,959,414.88x = 5,122,480,096,446,906
  5. Step 5: Solve for x
    x = 5,122,480,096,446,906/81,959,414.88
  6. Step 6: Final answer
    x = 62,500,203.35

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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.