Home / 121,453,554.40-182,180,331.60-109,738,232.80

Finding the Fourth Proportional to 121,453,554.40, 182,180,331.60 and 109,738,232.80

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Solution

The fourth proportional to 121,453,554.40, 182,180,331.60 and 109,738,232.80 is: 164,607,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,453,554.40 : 182,180,331.60 = 109,738,232.80 : x
  2. Step 2: Convert to fraction form
    121,453,554.40/182,180,331.60 = 109,738,232.80/x
  3. Step 3: Cross multiply
    121,453,554.40x = 182,180,331.60 × 109,738,232.80
  4. Step 4: Simplify right side
    121,453,554.40x = 19,992,147,640,701,996
  5. Step 5: Solve for x
    x = 19,992,147,640,701,996/121,453,554.40
  6. Step 6: Final answer
    x = 164,607,349.20

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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.