Home / 51,280,019.40-76,920,029.10-17,193,145.80

Finding the Fourth Proportional to 51,280,019.40, 76,920,029.10 and 17,193,145.80

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Solution

The fourth proportional to 51,280,019.40, 76,920,029.10 and 17,193,145.80 is: 25,789,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,280,019.40 : 76,920,029.10 = 17,193,145.80 : x
  2. Step 2: Convert to fraction form
    51,280,019.40/76,920,029.10 = 17,193,145.80/x
  3. Step 3: Cross multiply
    51,280,019.40x = 76,920,029.10 × 17,193,145.80
  4. Step 4: Simplify right side
    51,280,019.40x = 1,322,497,275,256,542.75
  5. Step 5: Solve for x
    x = 1,322,497,275,256,542.75/51,280,019.40
  6. Step 6: Final answer
    x = 25,789,718.70

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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.