Home / 220,572,421.20-330,858,631.80-113,076,997.20

Finding the Fourth Proportional to 220,572,421.20, 330,858,631.80 and 113,076,997.20

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Solution

The fourth proportional to 220,572,421.20, 330,858,631.80 and 113,076,997.20 is: 169,615,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,572,421.20 : 330,858,631.80 = 113,076,997.20 : x
  2. Step 2: Convert to fraction form
    220,572,421.20/330,858,631.80 = 113,076,997.20/x
  3. Step 3: Cross multiply
    220,572,421.20x = 330,858,631.80 × 113,076,997.20
  4. Step 4: Simplify right side
    220,572,421.20x = 37,412,500,581,644,432
  5. Step 5: Solve for x
    x = 37,412,500,581,644,432/220,572,421.20
  6. Step 6: Final answer
    x = 169,615,495.80

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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.