Home / 81,052,954.02-111,844,493.42-45,768,620.57

Finding the Fourth Proportional to 81,052,954.02, 111,844,493.42 and 45,768,620.57

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Solution

The fourth proportional to 81,052,954.02, 111,844,493.42 and 45,768,620.57 is: 63,155,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,052,954.02 : 111,844,493.42 = 45,768,620.57 : x
  2. Step 2: Convert to fraction form
    81,052,954.02/111,844,493.42 = 45,768,620.57/x
  3. Step 3: Cross multiply
    81,052,954.02x = 111,844,493.42 × 45,768,620.57
  4. Step 4: Simplify right side
    81,052,954.02x = 5,118,968,181,395,776
  5. Step 5: Solve for x
    x = 5,118,968,181,395,776/81,052,954.02
  6. Step 6: Final answer
    x = 63,155,849.69

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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.