Home / 123,069,126.06-169,887,687.75-76,682,298.37

Finding the Fourth Proportional to 123,069,126.06, 169,887,687.75 and 76,682,298.37

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Solution

The fourth proportional to 123,069,126.06, 169,887,687.75 and 76,682,298.37 is: 105,854,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069,126.06 : 169,887,687.75 = 76,682,298.37 : x
  2. Step 2: Convert to fraction form
    123,069,126.06/169,887,687.75 = 76,682,298.37/x
  3. Step 3: Cross multiply
    123,069,126.06x = 169,887,687.75 × 76,682,298.37
  4. Step 4: Simplify right side
    123,069,126.06x = 13,027,378,361,434,894
  5. Step 5: Solve for x
    x = 13,027,378,361,434,894/123,069,126.06
  6. Step 6: Final answer
    x = 105,854,155.13

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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.