Home / 147,644,826.20-221,415,952.77-82,165,887.62

Finding the Fourth Proportional to 147,644,826.20, 221,415,952.77 and 82,165,887.62

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Solution

The fourth proportional to 147,644,826.20, 221,415,952.77 and 82,165,887.62 is: 123,220,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,644,826.20 : 221,415,952.77 = 82,165,887.62 : x
  2. Step 2: Convert to fraction form
    147,644,826.20/221,415,952.77 = 82,165,887.62/x
  3. Step 3: Cross multiply
    147,644,826.20x = 221,415,952.77 × 82,165,887.62
  4. Step 4: Simplify right side
    147,644,826.20x = 18,192,838,291,467,968
  5. Step 5: Solve for x
    x = 18,192,838,291,467,968/147,644,826.20
  6. Step 6: Final answer
    x = 123,220,289.94

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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.