Home / 48,672,101.22-67,213,028.73-31,298,631.54

Finding the Fourth Proportional to 48,672,101.22, 67,213,028.73 and 31,298,631.54

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Solution

The fourth proportional to 48,672,101.22, 67,213,028.73 and 31,298,631.54 is: 43,221,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,672,101.22 : 67,213,028.73 = 31,298,631.54 : x
  2. Step 2: Convert to fraction form
    48,672,101.22/67,213,028.73 = 31,298,631.54/x
  3. Step 3: Cross multiply
    48,672,101.22x = 67,213,028.73 × 31,298,631.54
  4. Step 4: Simplify right side
    48,672,101.22x = 2,103,675,820,907,704.25
  5. Step 5: Solve for x
    x = 2,103,675,820,907,704.25/48,672,101.22
  6. Step 6: Final answer
    x = 43,221,389.01

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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.