Home / 300,396,707.34-450,645,935.41-103,606,688.43

Finding the Fourth Proportional to 300,396,707.34, 450,645,935.41 and 103,606,688.43

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Solution

The fourth proportional to 300,396,707.34, 450,645,935.41 and 103,606,688.43 is: 155,427,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,396,707.34 : 450,645,935.41 = 103,606,688.43 : x
  2. Step 2: Convert to fraction form
    300,396,707.34/450,645,935.41 = 103,606,688.43/x
  3. Step 3: Cross multiply
    300,396,707.34x = 450,645,935.41 × 103,606,688.43
  4. Step 4: Simplify right side
    300,396,707.34x = 46,689,933,022,958,704
  5. Step 5: Solve for x
    x = 46,689,933,022,958,704/300,396,707.34
  6. Step 6: Final answer
    x = 155,427,579.21

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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.