Home / 200,786,749.40-301,193,959.83-84,084,603.28

Finding the Fourth Proportional to 200,786,749.40, 301,193,959.83 and 84,084,603.28

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Solution

The fourth proportional to 200,786,749.40, 301,193,959.83 and 84,084,603.28 is: 126,132,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,786,749.40 : 301,193,959.83 = 84,084,603.28 : x
  2. Step 2: Convert to fraction form
    200,786,749.40/301,193,959.83 = 84,084,603.28/x
  3. Step 3: Cross multiply
    200,786,749.40x = 301,193,959.83 × 84,084,603.28
  4. Step 4: Simplify right side
    200,786,749.40x = 25,325,774,621,131,836
  5. Step 5: Solve for x
    x = 25,325,774,621,131,836/200,786,749.40
  6. Step 6: Final answer
    x = 126,132,698.98

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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.