Home / 312,387,313.10-468,734,513.45-125,633,801.39

Finding the Fourth Proportional to 312,387,313.10, 468,734,513.45 and 125,633,801.39

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Solution

The fourth proportional to 312,387,313.10, 468,734,513.45 and 125,633,801.39 is: 188,512,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,387,313.10 : 468,734,513.45 = 125,633,801.39 : x
  2. Step 2: Convert to fraction form
    312,387,313.10/468,734,513.45 = 125,633,801.39/x
  3. Step 3: Cross multiply
    312,387,313.10x = 468,734,513.45 × 125,633,801.39
  4. Step 4: Simplify right side
    312,387,313.10x = 58,888,898,764,443,744
  5. Step 5: Solve for x
    x = 58,888,898,764,443,744/312,387,313.10
  6. Step 6: Final answer
    x = 188,512,453.28

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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.