Home / 123,069,127-169,887,689.05-76,682,299.31

Finding the Fourth Proportional to 123,069,127, 169,887,689.05 and 76,682,299.31

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Solution

The fourth proportional to 123,069,127, 169,887,689.05 and 76,682,299.31 is: 105,854,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069,127 : 169,887,689.05 = 76,682,299.31 : x
  2. Step 2: Convert to fraction form
    123,069,127/169,887,689.05 = 76,682,299.31/x
  3. Step 3: Cross multiply
    123,069,127x = 169,887,689.05 × 76,682,299.31
  4. Step 4: Simplify right side
    123,069,127x = 13,027,378,620,816,310
  5. Step 5: Solve for x
    x = 13,027,378,620,816,310/123,069,127
  6. Step 6: Final answer
    x = 105,854,156.43

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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.