Home / 51,426,145.26-70,968,942.72-28,223,431.20

Finding the Fourth Proportional to 51,426,145.26, 70,968,942.72 and 28,223,431.20

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Solution

The fourth proportional to 51,426,145.26, 70,968,942.72 and 28,223,431.20 is: 38,948,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,426,145.26 : 70,968,942.72 = 28,223,431.20 : x
  2. Step 2: Convert to fraction form
    51,426,145.26/70,968,942.72 = 28,223,431.20/x
  3. Step 3: Cross multiply
    51,426,145.26x = 70,968,942.72 × 28,223,431.20
  4. Step 4: Simplify right side
    51,426,145.26x = 2,002,987,072,194,660.75
  5. Step 5: Solve for x
    x = 2,002,987,072,194,660.75/51,426,145.26
  6. Step 6: Final answer
    x = 38,948,808.28

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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.