Home / 110,091,845.40-165,137,768.10-73,812,139.80

Finding the Fourth Proportional to 110,091,845.40, 165,137,768.10 and 73,812,139.80

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Solution

The fourth proportional to 110,091,845.40, 165,137,768.10 and 73,812,139.80 is: 110,718,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,091,845.40 : 165,137,768.10 = 73,812,139.80 : x
  2. Step 2: Convert to fraction form
    110,091,845.40/165,137,768.10 = 73,812,139.80/x
  3. Step 3: Cross multiply
    110,091,845.40x = 165,137,768.10 × 73,812,139.80
  4. Step 4: Simplify right side
    110,091,845.40x = 12,189,172,025,257,180
  5. Step 5: Solve for x
    x = 12,189,172,025,257,180/110,091,845.40
  6. Step 6: Final answer
    x = 110,718,209.70

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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.