Home / 76,211,967.08-105,149,343.75-43,166,965.70

Finding the Fourth Proportional to 76,211,967.08, 105,149,343.75 and 43,166,965.70

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Solution

The fourth proportional to 76,211,967.08, 105,149,343.75 and 43,166,965.70 is: 59,557,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,211,967.08 : 105,149,343.75 = 43,166,965.70 : x
  2. Step 2: Convert to fraction form
    76,211,967.08/105,149,343.75 = 43,166,965.70/x
  3. Step 3: Cross multiply
    76,211,967.08x = 105,149,343.75 × 43,166,965.70
  4. Step 4: Simplify right side
    76,211,967.08x = 4,538,978,115,134,757
  5. Step 5: Solve for x
    x = 4,538,978,115,134,757/76,211,967.08
  6. Step 6: Final answer
    x = 59,557,288.56

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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.