Home / 104,012,166.52-143,467,675.34-66,889,379.60

Finding the Fourth Proportional to 104,012,166.52, 143,467,675.34 and 66,889,379.60

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Solution

The fourth proportional to 104,012,166.52, 143,467,675.34 and 66,889,379.60 is: 92,262,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,012,166.52 : 143,467,675.34 = 66,889,379.60 : x
  2. Step 2: Convert to fraction form
    104,012,166.52/143,467,675.34 = 66,889,379.60/x
  3. Step 3: Cross multiply
    104,012,166.52x = 143,467,675.34 × 66,889,379.60
  4. Step 4: Simplify right side
    104,012,166.52x = 9,596,463,796,146,820
  5. Step 5: Solve for x
    x = 9,596,463,796,146,820/104,012,166.52
  6. Step 6: Final answer
    x = 92,262,896.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.