Home / 79,836,980.44-110,075,161.26-66,625,225.96

Finding the Fourth Proportional to 79,836,980.44, 110,075,161.26 and 66,625,225.96

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Solution

The fourth proportional to 79,836,980.44, 110,075,161.26 and 66,625,225.96 is: 91,859,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,836,980.44 : 110,075,161.26 = 66,625,225.96 : x
  2. Step 2: Convert to fraction form
    79,836,980.44/110,075,161.26 = 66,625,225.96/x
  3. Step 3: Cross multiply
    79,836,980.44x = 110,075,161.26 × 66,625,225.96
  4. Step 4: Simplify right side
    79,836,980.44x = 7,333,782,491,530,939
  5. Step 5: Solve for x
    x = 7,333,782,491,530,939/79,836,980.44
  6. Step 6: Final answer
    x = 91,859,467.27

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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.