Home / 220,196,661.20-330,284,494.20-74,615,944.40

Finding the Fourth Proportional to 220,196,661.20, 330,284,494.20 and 74,615,944.40

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Solution

The fourth proportional to 220,196,661.20, 330,284,494.20 and 74,615,944.40 is: 111,920,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,196,661.20 : 330,284,494.20 = 74,615,944.40 : x
  2. Step 2: Convert to fraction form
    220,196,661.20/330,284,494.20 = 74,615,944.40/x
  3. Step 3: Cross multiply
    220,196,661.20x = 330,284,494.20 × 74,615,944.40
  4. Step 4: Simplify right side
    220,196,661.20x = 24,644,489,455,409,324
  5. Step 5: Solve for x
    x = 24,644,489,455,409,324/220,196,661.20
  6. Step 6: Final answer
    x = 111,920,359.38

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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.