Home / 137,308,745.05-189,305,760.55-99,085,798.90

Finding the Fourth Proportional to 137,308,745.05, 189,305,760.55 and 99,085,798.90

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Solution

The fourth proportional to 137,308,745.05, 189,305,760.55 and 99,085,798.90 is: 136,608,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,308,745.05 : 189,305,760.55 = 99,085,798.90 : x
  2. Step 2: Convert to fraction form
    137,308,745.05/189,305,760.55 = 99,085,798.90/x
  3. Step 3: Cross multiply
    137,308,745.05x = 189,305,760.55 × 99,085,798.90
  4. Step 4: Simplify right side
    137,308,745.05x = 18,757,512,520,468,856
  5. Step 5: Solve for x
    x = 18,757,512,520,468,856/137,308,745.05
  6. Step 6: Final answer
    x = 136,608,287.50

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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.