Home / 123,104,469.87-169,879,148.24-70,895,472.75

Finding the Fourth Proportional to 123,104,469.87, 169,879,148.24 and 70,895,472.75

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Solution

The fourth proportional to 123,104,469.87, 169,879,148.24 and 70,895,472.75 is: 97,832,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,104,469.87 : 169,879,148.24 = 70,895,472.75 : x
  2. Step 2: Convert to fraction form
    123,104,469.87/169,879,148.24 = 70,895,472.75/x
  3. Step 3: Cross multiply
    123,104,469.87x = 169,879,148.24 × 70,895,472.75
  4. Step 4: Simplify right side
    123,104,469.87x = 12,043,662,524,487,654
  5. Step 5: Solve for x
    x = 12,043,662,524,487,654/123,104,469.87
  6. Step 6: Final answer
    x = 97,832,861.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.