Home / 338,661,393.51-508,177,243.08-131,407,976.55

Finding the Fourth Proportional to 338,661,393.51, 508,177,243.08 and 131,407,976.55

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Solution

The fourth proportional to 338,661,393.51, 508,177,243.08 and 131,407,976.55 is: 197,183,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,661,393.51 : 508,177,243.08 = 131,407,976.55 : x
  2. Step 2: Convert to fraction form
    338,661,393.51/508,177,243.08 = 131,407,976.55/x
  3. Step 3: Cross multiply
    338,661,393.51x = 508,177,243.08 × 131,407,976.55
  4. Step 4: Simplify right side
    338,661,393.51x = 66,778,543,241,900,288
  5. Step 5: Solve for x
    x = 66,778,543,241,900,288/338,661,393.51
  6. Step 6: Final answer
    x = 197,183,808.14

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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.