Home / 199,301,601.60-298,952,402.40-122,375,188.80

Finding the Fourth Proportional to 199,301,601.60, 298,952,402.40 and 122,375,188.80

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Solution

The fourth proportional to 199,301,601.60, 298,952,402.40 and 122,375,188.80 is: 183,562,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,301,601.60 : 298,952,402.40 = 122,375,188.80 : x
  2. Step 2: Convert to fraction form
    199,301,601.60/298,952,402.40 = 122,375,188.80/x
  3. Step 3: Cross multiply
    199,301,601.60x = 298,952,402.40 × 122,375,188.80
  4. Step 4: Simplify right side
    199,301,601.60x = 36,584,356,685,913,568
  5. Step 5: Solve for x
    x = 36,584,356,685,913,568/199,301,601.60
  6. Step 6: Final answer
    x = 183,562,783.20

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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.