Home / 49,619,768.22-68,465,245.70-28,989,228.60

Finding the Fourth Proportional to 49,619,768.22, 68,465,245.70 and 28,989,228.60

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Solution

The fourth proportional to 49,619,768.22, 68,465,245.70 and 28,989,228.60 is: 39,999,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,619,768.22 : 68,465,245.70 = 28,989,228.60 : x
  2. Step 2: Convert to fraction form
    49,619,768.22/68,465,245.70 = 28,989,228.60/x
  3. Step 3: Cross multiply
    49,619,768.22x = 68,465,245.70 × 28,989,228.60
  4. Step 4: Simplify right side
    49,619,768.22x = 1,984,754,658,607,520.75
  5. Step 5: Solve for x
    x = 1,984,754,658,607,520.75/49,619,768.22
  6. Step 6: Final answer
    x = 39,999,273.07

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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.