Home / 78,502,629.88-108,333,634.44-43,694,573.32

Finding the Fourth Proportional to 78,502,629.88, 108,333,634.44 and 43,694,573.32

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Solution

The fourth proportional to 78,502,629.88, 108,333,634.44 and 43,694,573.32 is: 60,298,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,502,629.88 : 108,333,634.44 = 43,694,573.32 : x
  2. Step 2: Convert to fraction form
    78,502,629.88/108,333,634.44 = 43,694,573.32/x
  3. Step 3: Cross multiply
    78,502,629.88x = 108,333,634.44 × 43,694,573.32
  4. Step 4: Simplify right side
    78,502,629.88x = 4,733,591,933,060,657
  5. Step 5: Solve for x
    x = 4,733,591,933,060,657/78,502,629.88
  6. Step 6: Final answer
    x = 60,298,514.08

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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.