Home / 69,979,880.40-96,572,276.04-39,040,049.64

Finding the Fourth Proportional to 69,979,880.40, 96,572,276.04 and 39,040,049.64

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Solution

The fourth proportional to 69,979,880.40, 96,572,276.04 and 39,040,049.64 is: 53,875,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979,880.40 : 96,572,276.04 = 39,040,049.64 : x
  2. Step 2: Convert to fraction form
    69,979,880.40/96,572,276.04 = 39,040,049.64/x
  3. Step 3: Cross multiply
    69,979,880.40x = 96,572,276.04 × 39,040,049.64
  4. Step 4: Simplify right side
    69,979,880.40x = 3,770,186,450,449,383
  5. Step 5: Solve for x
    x = 3,770,186,450,449,383/69,979,880.40
  6. Step 6: Final answer
    x = 53,875,291.43

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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.