Home / 123,069,176.28-169,887,757.32-76,682,349

Finding the Fourth Proportional to 123,069,176.28, 169,887,757.32 and 76,682,349

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Solution

The fourth proportional to 123,069,176.28, 169,887,757.32 and 76,682,349 is: 105,854,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069,176.28 : 169,887,757.32 = 76,682,349 : x
  2. Step 2: Convert to fraction form
    123,069,176.28/169,887,757.32 = 76,682,349/x
  3. Step 3: Cross multiply
    123,069,176.28x = 169,887,757.32 × 76,682,349
  4. Step 4: Simplify right side
    123,069,176.28x = 13,027,392,297,639,544
  5. Step 5: Solve for x
    x = 13,027,392,297,639,544/123,069,176.28
  6. Step 6: Final answer
    x = 105,854,225.17

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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.