Home / 68,178,005.20-102,267,007.80-50,262,101.20

Finding the Fourth Proportional to 68,178,005.20, 102,267,007.80 and 50,262,101.20

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Solution

The fourth proportional to 68,178,005.20, 102,267,007.80 and 50,262,101.20 is: 75,393,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,178,005.20 : 102,267,007.80 = 50,262,101.20 : x
  2. Step 2: Convert to fraction form
    68,178,005.20/102,267,007.80 = 50,262,101.20/x
  3. Step 3: Cross multiply
    68,178,005.20x = 102,267,007.80 × 50,262,101.20
  4. Step 4: Simplify right side
    68,178,005.20x = 5,140,154,695,464,790
  5. Step 5: Solve for x
    x = 5,140,154,695,464,790/68,178,005.20
  6. Step 6: Final answer
    x = 75,393,151.80

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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.