Home / 125,561,120.85-188,240,044.09-39,255,102.45

Finding the Fourth Proportional to 125,561,120.85, 188,240,044.09 and 39,255,102.45

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Solution

The fourth proportional to 125,561,120.85, 188,240,044.09 and 39,255,102.45 is: 58,850,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,561,120.85 : 188,240,044.09 = 39,255,102.45 : x
  2. Step 2: Convert to fraction form
    125,561,120.85/188,240,044.09 = 39,255,102.45/x
  3. Step 3: Cross multiply
    125,561,120.85x = 188,240,044.09 × 39,255,102.45
  4. Step 4: Simplify right side
    125,561,120.85x = 7,389,382,215,945,468
  5. Step 5: Solve for x
    x = 7,389,382,215,945,468/125,561,120.85
  6. Step 6: Final answer
    x = 58,850,878.09

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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.