Home / 238,405,234.56-328,925,281.44-139,214,429.52

Finding the Fourth Proportional to 238,405,234.56, 328,925,281.44 and 139,214,429.52

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Solution

The fourth proportional to 238,405,234.56, 328,925,281.44 and 139,214,429.52 is: 192,072,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,405,234.56 : 328,925,281.44 = 139,214,429.52 : x
  2. Step 2: Convert to fraction form
    238,405,234.56/328,925,281.44 = 139,214,429.52/x
  3. Step 3: Cross multiply
    238,405,234.56x = 328,925,281.44 × 139,214,429.52
  4. Step 4: Simplify right side
    238,405,234.56x = 45,791,145,410,375,048
  5. Step 5: Solve for x
    x = 45,791,145,410,375,048/238,405,234.56
  6. Step 6: Final answer
    x = 192,072,734.87

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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.