Home / 101,380,511.99-139,907,857.50-57,334,097.49

Finding the Fourth Proportional to 101,380,511.99, 139,907,857.50 and 57,334,097.49

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Solution

The fourth proportional to 101,380,511.99, 139,907,857.50 and 57,334,097.49 is: 79,122,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,380,511.99 : 139,907,857.50 = 57,334,097.49 : x
  2. Step 2: Convert to fraction form
    101,380,511.99/139,907,857.50 = 57,334,097.49/x
  3. Step 3: Cross multiply
    101,380,511.99x = 139,907,857.50 × 57,334,097.49
  4. Step 4: Simplify right side
    101,380,511.99x = 8,021,490,741,522,028
  5. Step 5: Solve for x
    x = 8,021,490,741,522,028/101,380,511.99
  6. Step 6: Final answer
    x = 79,122,610.29

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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.