Home / 307,824,739.82-424,798,550.60-166,696,203.81

Finding the Fourth Proportional to 307,824,739.82, 424,798,550.60 and 166,696,203.81

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Solution

The fourth proportional to 307,824,739.82, 424,798,550.60 and 166,696,203.81 is: 230,040,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,824,739.82 : 424,798,550.60 = 166,696,203.81 : x
  2. Step 2: Convert to fraction form
    307,824,739.82/424,798,550.60 = 166,696,203.81/x
  3. Step 3: Cross multiply
    307,824,739.82x = 424,798,550.60 × 166,696,203.81
  4. Step 4: Simplify right side
    307,824,739.82x = 70,812,305,768,176,720
  5. Step 5: Solve for x
    x = 70,812,305,768,176,720/307,824,739.82
  6. Step 6: Final answer
    x = 230,040,983.10

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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.