Home / 109,290,817.20-163,936,930.46-43,717,433.07

Finding the Fourth Proportional to 109,290,817.20, 163,936,930.46 and 43,717,433.07

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Solution

The fourth proportional to 109,290,817.20, 163,936,930.46 and 43,717,433.07 is: 65,576,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,290,817.20 : 163,936,930.46 = 43,717,433.07 : x
  2. Step 2: Convert to fraction form
    109,290,817.20/163,936,930.46 = 43,717,433.07/x
  3. Step 3: Cross multiply
    109,290,817.20x = 163,936,930.46 × 43,717,433.07
  4. Step 4: Simplify right side
    109,290,817.20x = 7,166,901,784,867,708
  5. Step 5: Solve for x
    x = 7,166,901,784,867,708/109,290,817.20
  6. Step 6: Final answer
    x = 65,576,431.47

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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.