Home / 68,907,382.56-95,110,525.44-40,674,578.40

Finding the Fourth Proportional to 68,907,382.56, 95,110,525.44 and 40,674,578.40

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Solution

The fourth proportional to 68,907,382.56, 95,110,525.44 and 40,674,578.40 is: 56,141,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,907,382.56 : 95,110,525.44 = 40,674,578.40 : x
  2. Step 2: Convert to fraction form
    68,907,382.56/95,110,525.44 = 40,674,578.40/x
  3. Step 3: Cross multiply
    68,907,382.56x = 95,110,525.44 × 40,674,578.40
  4. Step 4: Simplify right side
    68,907,382.56x = 3,868,580,523,674,474.50
  5. Step 5: Solve for x
    x = 3,868,580,523,674,474.50/68,907,382.56
  6. Step 6: Final answer
    x = 56,141,742.44

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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.