Home / 122,205,264.66-168,644,142.53-66,450,285.54

Finding the Fourth Proportional to 122,205,264.66, 168,644,142.53 and 66,450,285.54

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Solution

The fourth proportional to 122,205,264.66, 168,644,142.53 and 66,450,285.54 is: 91,701,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,205,264.66 : 168,644,142.53 = 66,450,285.54 : x
  2. Step 2: Convert to fraction form
    122,205,264.66/168,644,142.53 = 66,450,285.54/x
  3. Step 3: Cross multiply
    122,205,264.66x = 168,644,142.53 × 66,450,285.54
  4. Step 4: Simplify right side
    122,205,264.66x = 11,206,451,424,591,486
  5. Step 5: Solve for x
    x = 11,206,451,424,591,486/122,205,264.66
  6. Step 6: Final answer
    x = 91,701,871.08

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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.