Home / 68,923,176.30-103,384,764.45-60,420,120.30

Finding the Fourth Proportional to 68,923,176.30, 103,384,764.45 and 60,420,120.30

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Solution

The fourth proportional to 68,923,176.30, 103,384,764.45 and 60,420,120.30 is: 90,630,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,923,176.30 : 103,384,764.45 = 60,420,120.30 : x
  2. Step 2: Convert to fraction form
    68,923,176.30/103,384,764.45 = 60,420,120.30/x
  3. Step 3: Cross multiply
    68,923,176.30x = 103,384,764.45 × 60,420,120.30
  4. Step 4: Simplify right side
    68,923,176.30x = 6,246,519,905,256,163
  5. Step 5: Solve for x
    x = 6,246,519,905,256,163/68,923,176.30
  6. Step 6: Final answer
    x = 90,630,180.45

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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.