Home / 161,469,011.94-242,347,900.24-82,739,228.64

Finding the Fourth Proportional to 161,469,011.94, 242,347,900.24 and 82,739,228.64

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Solution

The fourth proportional to 161,469,011.94, 242,347,900.24 and 82,739,228.64 is: 124,182,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,469,011.94 : 242,347,900.24 = 82,739,228.64 : x
  2. Step 2: Convert to fraction form
    161,469,011.94/242,347,900.24 = 82,739,228.64/x
  3. Step 3: Cross multiply
    161,469,011.94x = 242,347,900.24 × 82,739,228.64
  4. Step 4: Simplify right side
    161,469,011.94x = 20,051,678,328,381,272
  5. Step 5: Solve for x
    x = 20,051,678,328,381,272/161,469,011.94
  6. Step 6: Final answer
    x = 124,182,826.71

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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.