Home / 245,844,738.32-339,265,042.44-135,835,667.60

Finding the Fourth Proportional to 245,844,738.32, 339,265,042.44 and 135,835,667.60

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Solution

The fourth proportional to 245,844,738.32, 339,265,042.44 and 135,835,667.60 is: 187,452,836.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,844,738.32 : 339,265,042.44 = 135,835,667.60 : x
  2. Step 2: Convert to fraction form
    245,844,738.32/339,265,042.44 = 135,835,667.60/x
  3. Step 3: Cross multiply
    245,844,738.32x = 339,265,042.44 × 135,835,667.60
  4. Step 4: Simplify right side
    245,844,738.32x = 46,084,293,533,179,728
  5. Step 5: Solve for x
    x = 46,084,293,533,179,728/245,844,738.32
  6. Step 6: Final answer
    x = 187,452,836.49

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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.