Home / 76,581,978.72-114,873,965.04-25,463,997.60

Finding the Fourth Proportional to 76,581,978.72, 114,873,965.04 and 25,463,997.60

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Solution

The fourth proportional to 76,581,978.72, 114,873,965.04 and 25,463,997.60 is: 38,196,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,581,978.72 : 114,873,965.04 = 25,463,997.60 : x
  2. Step 2: Convert to fraction form
    76,581,978.72/114,873,965.04 = 25,463,997.60/x
  3. Step 3: Cross multiply
    76,581,978.72x = 114,873,965.04 × 25,463,997.60
  4. Step 4: Simplify right side
    76,581,978.72x = 2,925,150,370,081,044
  5. Step 5: Solve for x
    x = 2,925,150,370,081,044/76,581,978.72
  6. Step 6: Final answer
    x = 38,196,327.90

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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.