Home / 54,989,269.80-82,483,904.70-54,138,964.20

Finding the Fourth Proportional to 54,989,269.80, 82,483,904.70 and 54,138,964.20

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Solution

The fourth proportional to 54,989,269.80, 82,483,904.70 and 54,138,964.20 is: 81,208,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,989,269.80 : 82,483,904.70 = 54,138,964.20 : x
  2. Step 2: Convert to fraction form
    54,989,269.80/82,483,904.70 = 54,138,964.20/x
  3. Step 3: Cross multiply
    54,989,269.80x = 82,483,904.70 × 54,138,964.20
  4. Step 4: Simplify right side
    54,989,269.80x = 4,465,593,163,629,512
  5. Step 5: Solve for x
    x = 4,465,593,163,629,512/54,989,269.80
  6. Step 6: Final answer
    x = 81,208,446.30

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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.