Home / 82,991,588.56-124,493,361.52-31,873,607.44

Finding the Fourth Proportional to 82,991,588.56, 124,493,361.52 and 31,873,607.44

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Solution

The fourth proportional to 82,991,588.56, 124,493,361.52 and 31,873,607.44 is: 47,812,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,991,588.56 : 124,493,361.52 = 31,873,607.44 : x
  2. Step 2: Convert to fraction form
    82,991,588.56/124,493,361.52 = 31,873,607.44/x
  3. Step 3: Cross multiply
    82,991,588.56x = 124,493,361.52 × 31,873,607.44
  4. Step 4: Simplify right side
    82,991,588.56x = 3,968,052,533,974,481.50
  5. Step 5: Solve for x
    x = 3,968,052,533,974,481.50/82,991,588.56
  6. Step 6: Final answer
    x = 47,812,707.32

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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.