Home / 122,299,116.80-168,767,721-66,544,766.60

Finding the Fourth Proportional to 122,299,116.80, 168,767,721 and 66,544,766.60

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Solution

The fourth proportional to 122,299,116.80, 168,767,721 and 66,544,766.60 is: 91,829,024.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,299,116.80 : 168,767,721 = 66,544,766.60 : x
  2. Step 2: Convert to fraction form
    122,299,116.80/168,767,721 = 66,544,766.60/x
  3. Step 3: Cross multiply
    122,299,116.80x = 168,767,721 × 66,544,766.60
  4. Step 4: Simplify right side
    122,299,116.80x = 11,230,608,603,558,918
  5. Step 5: Solve for x
    x = 11,230,608,603,558,918/122,299,116.80
  6. Step 6: Final answer
    x = 91,829,024.59

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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.