Home / 120,006,577.82-165,608,195.72-67,794,664.70

Finding the Fourth Proportional to 120,006,577.82, 165,608,195.72 and 67,794,664.70

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Solution

The fourth proportional to 120,006,577.82, 165,608,195.72 and 67,794,664.70 is: 93,556,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,006,577.82 : 165,608,195.72 = 67,794,664.70 : x
  2. Step 2: Convert to fraction form
    120,006,577.82/165,608,195.72 = 67,794,664.70/x
  3. Step 3: Cross multiply
    120,006,577.82x = 165,608,195.72 × 67,794,664.70
  4. Step 4: Simplify right side
    120,006,577.82x = 11,227,352,100,484,422
  5. Step 5: Solve for x
    x = 11,227,352,100,484,422/120,006,577.82
  6. Step 6: Final answer
    x = 93,556,139.21

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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.