Home / 140,157,801.48-193,411,912.26-80,614,570.46

Finding the Fourth Proportional to 140,157,801.48, 193,411,912.26 and 80,614,570.46

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Solution

The fourth proportional to 140,157,801.48, 193,411,912.26 and 80,614,570.46 is: 111,244,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,157,801.48 : 193,411,912.26 = 80,614,570.46 : x
  2. Step 2: Convert to fraction form
    140,157,801.48/193,411,912.26 = 80,614,570.46/x
  3. Step 3: Cross multiply
    140,157,801.48x = 193,411,912.26 × 80,614,570.46
  4. Step 4: Simplify right side
    140,157,801.48x = 15,591,818,228,883,766
  5. Step 5: Solve for x
    x = 15,591,818,228,883,766/140,157,801.48
  6. Step 6: Final answer
    x = 111,244,740.32

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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.