Home / 65,873,824.51-90,904,768-36,505,097.23

Finding the Fourth Proportional to 65,873,824.51, 90,904,768 and 36,505,097.23

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Solution

The fourth proportional to 65,873,824.51, 90,904,768 and 36,505,097.23 is: 50,376,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,873,824.51 : 90,904,768 = 36,505,097.23 : x
  2. Step 2: Convert to fraction form
    65,873,824.51/90,904,768 = 36,505,097.23/x
  3. Step 3: Cross multiply
    65,873,824.51x = 90,904,768 × 36,505,097.23
  4. Step 4: Simplify right side
    65,873,824.51x = 3,318,487,394,510,592.50
  5. Step 5: Solve for x
    x = 3,318,487,394,510,592.50/65,873,824.51
  6. Step 6: Final answer
    x = 50,376,419.15

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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.