Home / 74,348,633.64-111,479,647.88-28,857,284.04

Finding the Fourth Proportional to 74,348,633.64, 111,479,647.88 and 28,857,284.04

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Solution

The fourth proportional to 74,348,633.64, 111,479,647.88 and 28,857,284.04 is: 43,269,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,348,633.64 : 111,479,647.88 = 28,857,284.04 : x
  2. Step 2: Convert to fraction form
    74,348,633.64/111,479,647.88 = 28,857,284.04/x
  3. Step 3: Cross multiply
    74,348,633.64x = 111,479,647.88 × 28,857,284.04
  4. Step 4: Simplify right side
    74,348,633.64x = 3,216,999,863,552,343.50
  5. Step 5: Solve for x
    x = 3,216,999,863,552,343.50/74,348,633.64
  6. Step 6: Final answer
    x = 43,269,118.83

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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.