Home / 121,997,315.80-183,137,691.30-73,529,896.60

Finding the Fourth Proportional to 121,997,315.80, 183,137,691.30 and 73,529,896.60

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Solution

The fourth proportional to 121,997,315.80, 183,137,691.30 and 73,529,896.60 is: 110,380,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,997,315.80 : 183,137,691.30 = 73,529,896.60 : x
  2. Step 2: Convert to fraction form
    121,997,315.80/183,137,691.30 = 73,529,896.60/x
  3. Step 3: Cross multiply
    121,997,315.80x = 183,137,691.30 × 73,529,896.60
  4. Step 4: Simplify right side
    121,997,315.80x = 13,466,095,504,851,720
  5. Step 5: Solve for x
    x = 13,466,095,504,851,720/121,997,315.80
  6. Step 6: Final answer
    x = 110,380,260.55

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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.