Home / 140,157,805.23-193,411,917.42-80,614,574.22

Finding the Fourth Proportional to 140,157,805.23, 193,411,917.42 and 80,614,574.22

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Solution

The fourth proportional to 140,157,805.23, 193,411,917.42 and 80,614,574.22 is: 111,244,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,157,805.23 : 193,411,917.42 = 80,614,574.22 : x
  2. Step 2: Convert to fraction form
    140,157,805.23/193,411,917.42 = 80,614,574.22/x
  3. Step 3: Cross multiply
    140,157,805.23x = 193,411,917.42 × 80,614,574.22
  4. Step 4: Simplify right side
    140,157,805.23x = 15,591,819,371,887,100
  5. Step 5: Solve for x
    x = 15,591,819,371,887,100/140,157,805.23
  6. Step 6: Final answer
    x = 111,244,745.49

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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.