Home / 213,654,090.05-320,847,892.11-131,140,371.56

Finding the Fourth Proportional to 213,654,090.05, 320,847,892.11 and 131,140,371.56

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Solution

The fourth proportional to 213,654,090.05, 320,847,892.11 and 131,140,371.56 is: 196,935,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,654,090.05 : 320,847,892.11 = 131,140,371.56 : x
  2. Step 2: Convert to fraction form
    213,654,090.05/320,847,892.11 = 131,140,371.56/x
  3. Step 3: Cross multiply
    213,654,090.05x = 320,847,892.11 × 131,140,371.56
  4. Step 4: Simplify right side
    213,654,090.05x = 42,076,111,786,350,312
  5. Step 5: Solve for x
    x = 42,076,111,786,350,312/213,654,090.05
  6. Step 6: Final answer
    x = 196,935,671.94

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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.