Home / 205,494,029.76-283,622,958.96-121,908,555.60

Finding the Fourth Proportional to 205,494,029.76, 283,622,958.96 and 121,908,555.60

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Solution

The fourth proportional to 205,494,029.76, 283,622,958.96 and 121,908,555.60 is: 168,258,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,494,029.76 : 283,622,958.96 = 121,908,555.60 : x
  2. Step 2: Convert to fraction form
    205,494,029.76/283,622,958.96 = 121,908,555.60/x
  3. Step 3: Cross multiply
    205,494,029.76x = 283,622,958.96 × 121,908,555.60
  4. Step 4: Simplify right side
    205,494,029.76x = 34,576,065,261,811,672
  5. Step 5: Solve for x
    x = 34,576,065,261,811,672/205,494,029.76
  6. Step 6: Final answer
    x = 168,258,247.22

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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.