Home / 214,462,198.07-321,546,436.32-109,213,810.01

Finding the Fourth Proportional to 214,462,198.07, 321,546,436.32 and 109,213,810.01

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Solution

The fourth proportional to 214,462,198.07, 321,546,436.32 and 109,213,810.01 is: 163,745,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,462,198.07 : 321,546,436.32 = 109,213,810.01 : x
  2. Step 2: Convert to fraction form
    214,462,198.07/321,546,436.32 = 109,213,810.01/x
  3. Step 3: Cross multiply
    214,462,198.07x = 321,546,436.32 × 109,213,810.01
  4. Step 4: Simplify right side
    214,462,198.07x = 35,117,311,403,491,240
  5. Step 5: Solve for x
    x = 35,117,311,403,491,240/214,462,198.07
  6. Step 6: Final answer
    x = 163,745,926.88

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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.