Home / 76,686,100.08-115,086,279.42-56,268,579.12

Finding the Fourth Proportional to 76,686,100.08, 115,086,279.42 and 56,268,579.12

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Solution

The fourth proportional to 76,686,100.08, 115,086,279.42 and 56,268,579.12 is: 84,444,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,686,100.08 : 115,086,279.42 = 56,268,579.12 : x
  2. Step 2: Convert to fraction form
    76,686,100.08/115,086,279.42 = 56,268,579.12/x
  3. Step 3: Cross multiply
    76,686,100.08x = 115,086,279.42 × 56,268,579.12
  4. Step 4: Simplify right side
    76,686,100.08x = 6,475,741,419,170,698
  5. Step 5: Solve for x
    x = 6,475,741,419,170,698/76,686,100.08
  6. Step 6: Final answer
    x = 84,444,787.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.