Home / 300,155,841.29-413,886,134.81-195,539,908.97

Finding the Fourth Proportional to 300,155,841.29, 413,886,134.81 and 195,539,908.97

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Solution

The fourth proportional to 300,155,841.29, 413,886,134.81 and 195,539,908.97 is: 269,630,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,155,841.29 : 413,886,134.81 = 195,539,908.97 : x
  2. Step 2: Convert to fraction form
    300,155,841.29/413,886,134.81 = 195,539,908.97/x
  3. Step 3: Cross multiply
    300,155,841.29x = 413,886,134.81 × 195,539,908.97
  4. Step 4: Simplify right side
    300,155,841.29x = 80,931,257,121,645,424
  5. Step 5: Solve for x
    x = 80,931,257,121,645,424/300,155,841.29
  6. Step 6: Final answer
    x = 269,630,791.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.