Home / 120,006,579.33-165,608,197.79-67,794,666.21

Finding the Fourth Proportional to 120,006,579.33, 165,608,197.79 and 67,794,666.21

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Solution

The fourth proportional to 120,006,579.33, 165,608,197.79 and 67,794,666.21 is: 93,556,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,006,579.33 : 165,608,197.79 = 67,794,666.21 : x
  2. Step 2: Convert to fraction form
    120,006,579.33/165,608,197.79 = 67,794,666.21/x
  3. Step 3: Cross multiply
    120,006,579.33x = 165,608,197.79 × 67,794,666.21
  4. Step 4: Simplify right side
    120,006,579.33x = 11,227,352,490,473,736
  5. Step 5: Solve for x
    x = 11,227,352,490,473,736/120,006,579.33
  6. Step 6: Final answer
    x = 93,556,141.28

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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.