Home / 229,887,806.20-344,831,709.30-220,817,879.80

Finding the Fourth Proportional to 229,887,806.20, 344,831,709.30 and 220,817,879.80

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Solution

The fourth proportional to 229,887,806.20, 344,831,709.30 and 220,817,879.80 is: 331,226,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,887,806.20 : 344,831,709.30 = 220,817,879.80 : x
  2. Step 2: Convert to fraction form
    229,887,806.20/344,831,709.30 = 220,817,879.80/x
  3. Step 3: Cross multiply
    229,887,806.20x = 344,831,709.30 × 220,817,879.80
  4. Step 4: Simplify right side
    229,887,806.20x = 76,145,006,935,435,952
  5. Step 5: Solve for x
    x = 76,145,006,935,435,952/229,887,806.20
  6. Step 6: Final answer
    x = 331,226,819.70

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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.