Home / 298,571,874.94-412,031,100.06-166,421,250.92

Finding the Fourth Proportional to 298,571,874.94, 412,031,100.06 and 166,421,250.92

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Solution

The fourth proportional to 298,571,874.94, 412,031,100.06 and 166,421,250.92 is: 229,662,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,571,874.94 : 412,031,100.06 = 166,421,250.92 : x
  2. Step 2: Convert to fraction form
    298,571,874.94/412,031,100.06 = 166,421,250.92/x
  3. Step 3: Cross multiply
    298,571,874.94x = 412,031,100.06 × 166,421,250.92
  4. Step 4: Simplify right side
    298,571,874.94x = 68,570,731,089,928,880
  5. Step 5: Solve for x
    x = 68,570,731,089,928,880/298,571,874.94
  6. Step 6: Final answer
    x = 229,662,392.36

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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.