Home / 123,069,124.06-169,887,684.99-76,682,296.37

Finding the Fourth Proportional to 123,069,124.06, 169,887,684.99 and 76,682,296.37

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Solution

The fourth proportional to 123,069,124.06, 169,887,684.99 and 76,682,296.37 is: 105,854,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069,124.06 : 169,887,684.99 = 76,682,296.37 : x
  2. Step 2: Convert to fraction form
    123,069,124.06/169,887,684.99 = 76,682,296.37/x
  3. Step 3: Cross multiply
    123,069,124.06x = 169,887,684.99 × 76,682,296.37
  4. Step 4: Simplify right side
    123,069,124.06x = 13,027,377,810,728,660
  5. Step 5: Solve for x
    x = 13,027,377,810,728,660/123,069,124.06
  6. Step 6: Final answer
    x = 105,854,152.38

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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.