Home / 68,450,272.24-102,606,279.72-42,909,183.76

Finding the Fourth Proportional to 68,450,272.24, 102,606,279.72 and 42,909,183.76

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Solution

The fourth proportional to 68,450,272.24, 102,606,279.72 and 42,909,183.76 is: 64,320,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,450,272.24 : 102,606,279.72 = 42,909,183.76 : x
  2. Step 2: Convert to fraction form
    68,450,272.24/102,606,279.72 = 42,909,183.76/x
  3. Step 3: Cross multiply
    68,450,272.24x = 102,606,279.72 × 42,909,183.76
  4. Step 4: Simplify right side
    68,450,272.24x = 4,402,751,711,435,441
  5. Step 5: Solve for x
    x = 4,402,751,711,435,441/68,450,272.24
  6. Step 6: Final answer
    x = 64,320,441.21

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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.