Home / 199,279,936.80-298,919,905.20-70,033,485.60

Finding the Fourth Proportional to 199,279,936.80, 298,919,905.20 and 70,033,485.60

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Solution

The fourth proportional to 199,279,936.80, 298,919,905.20 and 70,033,485.60 is: 105,050,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,279,936.80 : 298,919,905.20 = 70,033,485.60 : x
  2. Step 2: Convert to fraction form
    199,279,936.80/298,919,905.20 = 70,033,485.60/x
  3. Step 3: Cross multiply
    199,279,936.80x = 298,919,905.20 × 70,033,485.60
  4. Step 4: Simplify right side
    199,279,936.80x = 20,934,402,876,377,564
  5. Step 5: Solve for x
    x = 20,934,402,876,377,564/199,279,936.80
  6. Step 6: Final answer
    x = 105,050,228.40

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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.