Home / 404,428,426.51-606,677,179.92-142,090,188.65

Finding the Fourth Proportional to 404,428,426.51, 606,677,179.92 and 142,090,188.65

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Solution

The fourth proportional to 404,428,426.51, 606,677,179.92 and 142,090,188.65 is: 213,147,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,428,426.51 : 606,677,179.92 = 142,090,188.65 : x
  2. Step 2: Convert to fraction form
    404,428,426.51/606,677,179.92 = 142,090,188.65/x
  3. Step 3: Cross multiply
    404,428,426.51x = 606,677,179.92 × 142,090,188.65
  4. Step 4: Simplify right side
    404,428,426.51x = 86,202,874,944,482,784
  5. Step 5: Solve for x
    x = 86,202,874,944,482,784/404,428,426.51
  6. Step 6: Final answer
    x = 213,147,418.17

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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.