Home / 150,203,141.88-207,277,592.32-83,221,855.72

Finding the Fourth Proportional to 150,203,141.88, 207,277,592.32 and 83,221,855.72

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Solution

The fourth proportional to 150,203,141.88, 207,277,592.32 and 83,221,855.72 is: 114,844,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,203,141.88 : 207,277,592.32 = 83,221,855.72 : x
  2. Step 2: Convert to fraction form
    150,203,141.88/207,277,592.32 = 83,221,855.72/x
  3. Step 3: Cross multiply
    150,203,141.88x = 207,277,592.32 × 83,221,855.72
  4. Step 4: Simplify right side
    150,203,141.88x = 17,250,025,881,629,852
  5. Step 5: Solve for x
    x = 17,250,025,881,629,852/150,203,141.88
  6. Step 6: Final answer
    x = 114,844,640.84

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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.