Home / 78,709,264.83-108,653,619.39-50,845,564.08

Finding the Fourth Proportional to 78,709,264.83, 108,653,619.39 and 50,845,564.08

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Solution

The fourth proportional to 78,709,264.83, 108,653,619.39 and 50,845,564.08 is: 70,189,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,709,264.83 : 108,653,619.39 = 50,845,564.08 : x
  2. Step 2: Convert to fraction form
    78,709,264.83/108,653,619.39 = 50,845,564.08/x
  3. Step 3: Cross multiply
    78,709,264.83x = 108,653,619.39 × 50,845,564.08
  4. Step 4: Simplify right side
    78,709,264.83x = 5,524,554,567,218,175
  5. Step 5: Solve for x
    x = 5,524,554,567,218,175/78,709,264.83
  6. Step 6: Final answer
    x = 70,189,380.87

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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.