Home / 143,802,313.20-215,703,469.80-119,887,468.20

Finding the Fourth Proportional to 143,802,313.20, 215,703,469.80 and 119,887,468.20

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Solution

The fourth proportional to 143,802,313.20, 215,703,469.80 and 119,887,468.20 is: 179,831,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,802,313.20 : 215,703,469.80 = 119,887,468.20 : x
  2. Step 2: Convert to fraction form
    143,802,313.20/215,703,469.80 = 119,887,468.20/x
  3. Step 3: Cross multiply
    143,802,313.20x = 215,703,469.80 × 119,887,468.20
  4. Step 4: Simplify right side
    143,802,313.20x = 25,860,142,876,277,164
  5. Step 5: Solve for x
    x = 25,860,142,876,277,164/143,802,313.20
  6. Step 6: Final answer
    x = 179,831,202.30

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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.