Home / 54,538,426.20-81,807,639.30-34,131,091.80

Finding the Fourth Proportional to 54,538,426.20, 81,807,639.30 and 34,131,091.80

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Solution

The fourth proportional to 54,538,426.20, 81,807,639.30 and 34,131,091.80 is: 51,196,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,538,426.20 : 81,807,639.30 = 34,131,091.80 : x
  2. Step 2: Convert to fraction form
    54,538,426.20/81,807,639.30 = 34,131,091.80/x
  3. Step 3: Cross multiply
    54,538,426.20x = 81,807,639.30 × 34,131,091.80
  4. Step 4: Simplify right side
    54,538,426.20x = 2,792,184,046,889,587.50
  5. Step 5: Solve for x
    x = 2,792,184,046,889,587.50/54,538,426.20
  6. Step 6: Final answer
    x = 51,196,637.70

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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.