Home / 79,067,580.54-109,036,606.32-61,657,573.38

Finding the Fourth Proportional to 79,067,580.54, 109,036,606.32 and 61,657,573.38

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Solution

The fourth proportional to 79,067,580.54, 109,036,606.32 and 61,657,573.38 is: 85,027,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,067,580.54 : 109,036,606.32 = 61,657,573.38 : x
  2. Step 2: Convert to fraction form
    79,067,580.54/109,036,606.32 = 61,657,573.38/x
  3. Step 3: Cross multiply
    79,067,580.54x = 109,036,606.32 × 61,657,573.38
  4. Step 4: Simplify right side
    79,067,580.54x = 6,722,932,555,281,572
  5. Step 5: Solve for x
    x = 6,722,932,555,281,572/79,067,580.54
  6. Step 6: Final answer
    x = 85,027,675.18

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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.