Home / 210,635,905.60-315,337,999.20-150,169,729.60

Finding the Fourth Proportional to 210,635,905.60, 315,337,999.20 and 150,169,729.60

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Solution

The fourth proportional to 210,635,905.60, 315,337,999.20 and 150,169,729.60 is: 224,815,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,635,905.60 : 315,337,999.20 = 150,169,729.60 : x
  2. Step 2: Convert to fraction form
    210,635,905.60/315,337,999.20 = 150,169,729.60/x
  3. Step 3: Cross multiply
    210,635,905.60x = 315,337,999.20 × 150,169,729.60
  4. Step 4: Simplify right side
    210,635,905.60x = 47,354,222,072,469,016
  5. Step 5: Solve for x
    x = 47,354,222,072,469,016/210,635,905.60
  6. Step 6: Final answer
    x = 224,815,526.76

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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.