Home / 224,135,999.40-336,203,999.10-78,733,741.80

Finding the Fourth Proportional to 224,135,999.40, 336,203,999.10 and 78,733,741.80

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Solution

The fourth proportional to 224,135,999.40, 336,203,999.10 and 78,733,741.80 is: 118,100,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,135,999.40 : 336,203,999.10 = 78,733,741.80 : x
  2. Step 2: Convert to fraction form
    224,135,999.40/336,203,999.10 = 78,733,741.80/x
  3. Step 3: Cross multiply
    224,135,999.40x = 336,203,999.10 × 78,733,741.80
  4. Step 4: Simplify right side
    224,135,999.40x = 26,470,598,857,266,832
  5. Step 5: Solve for x
    x = 26,470,598,857,266,832/224,135,999.40
  6. Step 6: Final answer
    x = 118,100,612.70

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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.