Home / 123,069,165.96-169,887,742.92-76,682,338.32

Finding the Fourth Proportional to 123,069,165.96, 169,887,742.92 and 76,682,338.32

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Solution

The fourth proportional to 123,069,165.96, 169,887,742.92 and 76,682,338.32 is: 105,854,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069,165.96 : 169,887,742.92 = 76,682,338.32 : x
  2. Step 2: Convert to fraction form
    123,069,165.96/169,887,742.92 = 76,682,338.32/x
  3. Step 3: Cross multiply
    123,069,165.96x = 169,887,742.92 × 76,682,338.32
  4. Step 4: Simplify right side
    123,069,165.96x = 13,027,389,379,012,622
  5. Step 5: Solve for x
    x = 13,027,389,379,012,622/123,069,165.96
  6. Step 6: Final answer
    x = 105,854,210.33

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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.