Home / 307,127,128.58-459,959,418.24-196,118,952.68

Finding the Fourth Proportional to 307,127,128.58, 459,959,418.24 and 196,118,952.68

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Solution

The fourth proportional to 307,127,128.58, 459,959,418.24 and 196,118,952.68 is: 293,711,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,127,128.58 : 459,959,418.24 = 196,118,952.68 : x
  2. Step 2: Convert to fraction form
    307,127,128.58/459,959,418.24 = 196,118,952.68/x
  3. Step 3: Cross multiply
    307,127,128.58x = 459,959,418.24 × 196,118,952.68
  4. Step 4: Simplify right side
    307,127,128.58x = 90,206,759,378,231,104
  5. Step 5: Solve for x
    x = 90,206,759,378,231,104/307,127,128.58
  6. Step 6: Final answer
    x = 293,711,466.64

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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.