Home / 123,069,125.56-169,887,687.07-76,682,297.87

Finding the Fourth Proportional to 123,069,125.56, 169,887,687.07 and 76,682,297.87

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Solution

The fourth proportional to 123,069,125.56, 169,887,687.07 and 76,682,297.87 is: 105,854,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069,125.56 : 169,887,687.07 = 76,682,297.87 : x
  2. Step 2: Convert to fraction form
    123,069,125.56/169,887,687.07 = 76,682,297.87/x
  3. Step 3: Cross multiply
    123,069,125.56x = 169,887,687.07 × 76,682,297.87
  4. Step 4: Simplify right side
    123,069,125.56x = 13,027,378,224,347,088
  5. Step 5: Solve for x
    x = 13,027,378,224,347,088/123,069,125.56
  6. Step 6: Final answer
    x = 105,854,154.44

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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.