Home / 121,453,648.40-182,180,472.60-109,738,326.80

Finding the Fourth Proportional to 121,453,648.40, 182,180,472.60 and 109,738,326.80

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Solution

The fourth proportional to 121,453,648.40, 182,180,472.60 and 109,738,326.80 is: 164,607,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,453,648.40 : 182,180,472.60 = 109,738,326.80 : x
  2. Step 2: Convert to fraction form
    121,453,648.40/182,180,472.60 = 109,738,326.80/x
  3. Step 3: Cross multiply
    121,453,648.40x = 182,180,472.60 × 109,738,326.80
  4. Step 4: Simplify right side
    121,453,648.40x = 19,992,180,238,757,244
  5. Step 5: Solve for x
    x = 19,992,180,238,757,244/121,453,648.40
  6. Step 6: Final answer
    x = 164,607,490.20

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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.