Home / 357,131,201.88-535,765,789.82-135,785,331.10

Finding the Fourth Proportional to 357,131,201.88, 535,765,789.82 and 135,785,331.10

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Solution

The fourth proportional to 357,131,201.88, 535,765,789.82 and 135,785,331.10 is: 203,704,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,131,201.88 : 535,765,789.82 = 135,785,331.10 : x
  2. Step 2: Convert to fraction form
    357,131,201.88/535,765,789.82 = 135,785,331.10/x
  3. Step 3: Cross multiply
    357,131,201.88x = 535,765,789.82 × 135,785,331.10
  4. Step 4: Simplify right side
    357,131,201.88x = 72,749,135,159,992,688
  5. Step 5: Solve for x
    x = 72,749,135,159,992,688/357,131,201.88
  6. Step 6: Final answer
    x = 203,704,226.28

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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.