Home / 82,659,308.64-114,069,812.96-45,489,589.12

Finding the Fourth Proportional to 82,659,308.64, 114,069,812.96 and 45,489,589.12

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Solution

The fourth proportional to 82,659,308.64, 114,069,812.96 and 45,489,589.12 is: 62,775,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,659,308.64 : 114,069,812.96 = 45,489,589.12 : x
  2. Step 2: Convert to fraction form
    82,659,308.64/114,069,812.96 = 45,489,589.12/x
  3. Step 3: Cross multiply
    82,659,308.64x = 114,069,812.96 × 45,489,589.12
  4. Step 4: Simplify right side
    82,659,308.64x = 5,188,988,922,545,650
  5. Step 5: Solve for x
    x = 5,188,988,922,545,650/82,659,308.64
  6. Step 6: Final answer
    x = 62,775,614.85

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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.