Home / 301,128,260.10-451,713,979.89-126,075,137.64

Finding the Fourth Proportional to 301,128,260.10, 451,713,979.89 and 126,075,137.64

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Solution

The fourth proportional to 301,128,260.10, 451,713,979.89 and 126,075,137.64 is: 189,121,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,128,260.10 : 451,713,979.89 = 126,075,137.64 : x
  2. Step 2: Convert to fraction form
    301,128,260.10/451,713,979.89 = 126,075,137.64/x
  3. Step 3: Cross multiply
    301,128,260.10x = 451,713,979.89 × 126,075,137.64
  4. Step 4: Simplify right side
    301,128,260.10x = 56,949,902,188,543,944
  5. Step 5: Solve for x
    x = 56,949,902,188,543,944/301,128,260.10
  6. Step 6: Final answer
    x = 189,121,745.56

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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.