Home / 143,802,532.20-215,703,798.30-119,887,687.20

Finding the Fourth Proportional to 143,802,532.20, 215,703,798.30 and 119,887,687.20

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Solution

The fourth proportional to 143,802,532.20, 215,703,798.30 and 119,887,687.20 is: 179,831,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,802,532.20 : 215,703,798.30 = 119,887,687.20 : x
  2. Step 2: Convert to fraction form
    143,802,532.20/215,703,798.30 = 119,887,687.20/x
  3. Step 3: Cross multiply
    143,802,532.20x = 215,703,798.30 × 119,887,687.20
  4. Step 4: Simplify right side
    143,802,532.20x = 25,860,229,498,442,292
  5. Step 5: Solve for x
    x = 25,860,229,498,442,292/143,802,532.20
  6. Step 6: Final answer
    x = 179,831,530.80

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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.