Home / 57,920,320.80-86,892,145.20-16,979,680.80

Finding the Fourth Proportional to 57,920,320.80, 86,892,145.20 and 16,979,680.80

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Solution

The fourth proportional to 57,920,320.80, 86,892,145.20 and 16,979,680.80 is: 25,472,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,920,320.80 : 86,892,145.20 = 16,979,680.80 : x
  2. Step 2: Convert to fraction form
    57,920,320.80/86,892,145.20 = 16,979,680.80/x
  3. Step 3: Cross multiply
    57,920,320.80x = 86,892,145.20 × 16,979,680.80
  4. Step 4: Simplify right side
    57,920,320.80x = 1,475,400,889,523,252.25
  5. Step 5: Solve for x
    x = 1,475,400,889,523,252.25/57,920,320.80
  6. Step 6: Final answer
    x = 25,472,940.57

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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.