Home / 112,208,324.70-168,170,769.45-54,576,500.70

Finding the Fourth Proportional to 112,208,324.70, 168,170,769.45 and 54,576,500.70

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Solution

The fourth proportional to 112,208,324.70, 168,170,769.45 and 54,576,500.70 is: 81,795,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,208,324.70 : 168,170,769.45 = 54,576,500.70 : x
  2. Step 2: Convert to fraction form
    112,208,324.70/168,170,769.45 = 54,576,500.70/x
  3. Step 3: Cross multiply
    112,208,324.70x = 168,170,769.45 × 54,576,500.70
  4. Step 4: Simplify right side
    112,208,324.70x = 9,178,172,116,607,464
  5. Step 5: Solve for x
    x = 9,178,172,116,607,464/112,208,324.70
  6. Step 6: Final answer
    x = 81,795,821.67

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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.