Home / 300,328,052.40-450,492,078.60-106,458,375.60

Finding the Fourth Proportional to 300,328,052.40, 450,492,078.60 and 106,458,375.60

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Solution

The fourth proportional to 300,328,052.40, 450,492,078.60 and 106,458,375.60 is: 159,687,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,328,052.40 : 450,492,078.60 = 106,458,375.60 : x
  2. Step 2: Convert to fraction form
    300,328,052.40/450,492,078.60 = 106,458,375.60/x
  3. Step 3: Cross multiply
    300,328,052.40x = 450,492,078.60 × 106,458,375.60
  4. Step 4: Simplify right side
    300,328,052.40x = 47,958,654,908,423,520
  5. Step 5: Solve for x
    x = 47,958,654,908,423,520/300,328,052.40
  6. Step 6: Final answer
    x = 159,687,563.40

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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.