Home / 42,420,299.12-58,542,520.32-31,947,844.64

Finding the Fourth Proportional to 42,420,299.12, 58,542,520.32 and 31,947,844.64

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Solution

The fourth proportional to 42,420,299.12, 58,542,520.32 and 31,947,844.64 is: 44,089,914.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,420,299.12 : 58,542,520.32 = 31,947,844.64 : x
  2. Step 2: Convert to fraction form
    42,420,299.12/58,542,520.32 = 31,947,844.64/x
  3. Step 3: Cross multiply
    42,420,299.12x = 58,542,520.32 × 31,947,844.64
  4. Step 4: Simplify right side
    42,420,299.12x = 1,870,307,344,017,403.25
  5. Step 5: Solve for x
    x = 1,870,307,344,017,403.25/42,420,299.12
  6. Step 6: Final answer
    x = 44,089,914.09

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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.