Home / 123,069,213.30-169,887,808.14-76,682,385.60

Finding the Fourth Proportional to 123,069,213.30, 169,887,808.14 and 76,682,385.60

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Solution

The fourth proportional to 123,069,213.30, 169,887,808.14 and 76,682,385.60 is: 105,854,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069,213.30 : 169,887,808.14 = 76,682,385.60 : x
  2. Step 2: Convert to fraction form
    123,069,213.30/169,887,808.14 = 76,682,385.60/x
  3. Step 3: Cross multiply
    123,069,213.30x = 169,887,808.14 × 76,682,385.60
  4. Step 4: Simplify right side
    123,069,213.30x = 13,027,402,412,530,296
  5. Step 5: Solve for x
    x = 13,027,402,412,530,296/123,069,213.30
  6. Step 6: Final answer
    x = 105,854,275.52

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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.