Home / 111,293,640.70-166,940,461.05-76,656,226.30

Finding the Fourth Proportional to 111,293,640.70, 166,940,461.05 and 76,656,226.30

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Solution

The fourth proportional to 111,293,640.70, 166,940,461.05 and 76,656,226.30 is: 114,984,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,293,640.70 : 166,940,461.05 = 76,656,226.30 : x
  2. Step 2: Convert to fraction form
    111,293,640.70/166,940,461.05 = 76,656,226.30/x
  3. Step 3: Cross multiply
    111,293,640.70x = 166,940,461.05 × 76,656,226.30
  4. Step 4: Simplify right side
    111,293,640.70x = 12,797,025,760,875,136
  5. Step 5: Solve for x
    x = 12,797,025,760,875,136/111,293,640.70
  6. Step 6: Final answer
    x = 114,984,339.45

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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.