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Finding the Fourth Proportional to 67,428,844.86, 93,051,806.04 and 36,489,014.14

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Solution

The fourth proportional to 67,428,844.86, 93,051,806.04 and 36,489,014.14 is: 50,354,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,428,844.86 : 93,051,806.04 = 36,489,014.14 : x
  2. Step 2: Convert to fraction form
    67,428,844.86/93,051,806.04 = 36,489,014.14/x
  3. Step 3: Cross multiply
    67,428,844.86x = 93,051,806.04 × 36,489,014.14
  4. Step 4: Simplify right side
    67,428,844.86x = 3,395,368,666,346,097.50
  5. Step 5: Solve for x
    x = 3,395,368,666,346,097.50/67,428,844.86
  6. Step 6: Final answer
    x = 50,354,839.59

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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.