Home / 68,450,268.24-102,606,273.72-42,909,179.76

Finding the Fourth Proportional to 68,450,268.24, 102,606,273.72 and 42,909,179.76

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Solution

The fourth proportional to 68,450,268.24, 102,606,273.72 and 42,909,179.76 is: 64,320,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,450,268.24 : 102,606,273.72 = 42,909,179.76 : x
  2. Step 2: Convert to fraction form
    68,450,268.24/102,606,273.72 = 42,909,179.76/x
  3. Step 3: Cross multiply
    68,450,268.24x = 102,606,273.72 × 42,909,179.76
  4. Step 4: Simplify right side
    68,450,268.24x = 4,402,751,043,555,243.50
  5. Step 5: Solve for x
    x = 4,402,751,043,555,243.50/68,450,268.24
  6. Step 6: Final answer
    x = 64,320,435.21

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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.