Home / 168,020,331.20-251,652,583.20-99,995,883.20

Finding the Fourth Proportional to 168,020,331.20, 251,652,583.20 and 99,995,883.20

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Solution

The fourth proportional to 168,020,331.20, 251,652,583.20 and 99,995,883.20 is: 149,768,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,020,331.20 : 251,652,583.20 = 99,995,883.20 : x
  2. Step 2: Convert to fraction form
    168,020,331.20/251,652,583.20 = 99,995,883.20/x
  3. Step 3: Cross multiply
    168,020,331.20x = 251,652,583.20 × 99,995,883.20
  4. Step 4: Simplify right side
    168,020,331.20x = 25,164,222,316,645,480
  5. Step 5: Solve for x
    x = 25,164,222,316,645,480/168,020,331.20
  6. Step 6: Final answer
    x = 149,768,912.71

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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.