Home / 300,155,837.41-413,886,129.46-195,539,905.09

Finding the Fourth Proportional to 300,155,837.41, 413,886,129.46 and 195,539,905.09

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Solution

The fourth proportional to 300,155,837.41, 413,886,129.46 and 195,539,905.09 is: 269,630,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,155,837.41 : 413,886,129.46 = 195,539,905.09 : x
  2. Step 2: Convert to fraction form
    300,155,837.41/413,886,129.46 = 195,539,905.09/x
  3. Step 3: Cross multiply
    300,155,837.41x = 413,886,129.46 × 195,539,905.09
  4. Step 4: Simplify right side
    300,155,837.41x = 80,931,254,472,675,856
  5. Step 5: Solve for x
    x = 80,931,254,472,675,856/300,155,837.41
  6. Step 6: Final answer
    x = 269,630,786.36

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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.