Home / 275,388,795.29-380,032,972.65-149,939,552.34

Finding the Fourth Proportional to 275,388,795.29, 380,032,972.65 and 149,939,552.34

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Solution

The fourth proportional to 275,388,795.29, 380,032,972.65 and 149,939,552.34 is: 206,914,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,388,795.29 : 380,032,972.65 = 149,939,552.34 : x
  2. Step 2: Convert to fraction form
    275,388,795.29/380,032,972.65 = 149,939,552.34/x
  3. Step 3: Cross multiply
    275,388,795.29x = 380,032,972.65 × 149,939,552.34
  4. Step 4: Simplify right side
    275,388,795.29x = 56,981,973,793,580,464
  5. Step 5: Solve for x
    x = 56,981,973,793,580,464/275,388,795.29
  6. Step 6: Final answer
    x = 206,914,641.29

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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.