Home / 111,444,786.20-167,025,461.70-99,257,072.60

Finding the Fourth Proportional to 111,444,786.20, 167,025,461.70 and 99,257,072.60

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Solution

The fourth proportional to 111,444,786.20, 167,025,461.70 and 99,257,072.60 is: 148,759,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,444,786.20 : 167,025,461.70 = 99,257,072.60 : x
  2. Step 2: Convert to fraction form
    111,444,786.20/167,025,461.70 = 99,257,072.60/x
  3. Step 3: Cross multiply
    111,444,786.20x = 167,025,461.70 × 99,257,072.60
  4. Step 4: Simplify right side
    111,444,786.20x = 16,578,458,378,005,418
  5. Step 5: Solve for x
    x = 16,578,458,378,005,418/111,444,786.20
  6. Step 6: Final answer
    x = 148,759,389.68

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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.