Home / 104,012,166.65-143,467,675.52-66,889,379.73

Finding the Fourth Proportional to 104,012,166.65, 143,467,675.52 and 66,889,379.73

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Solution

The fourth proportional to 104,012,166.65, 143,467,675.52 and 66,889,379.73 is: 92,262,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,012,166.65 : 143,467,675.52 = 66,889,379.73 : x
  2. Step 2: Convert to fraction form
    104,012,166.65/143,467,675.52 = 66,889,379.73/x
  3. Step 3: Cross multiply
    104,012,166.65x = 143,467,675.52 × 66,889,379.73
  4. Step 4: Simplify right side
    104,012,166.65x = 9,596,463,825,785,920
  5. Step 5: Solve for x
    x = 9,596,463,825,785,920/104,012,166.65
  6. Step 6: Final answer
    x = 92,262,897.08

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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.