Home / 150,055,745.12-207,072,480.75-83,077,688.34

Finding the Fourth Proportional to 150,055,745.12, 207,072,480.75 and 83,077,688.34

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Solution

The fourth proportional to 150,055,745.12, 207,072,480.75 and 83,077,688.34 is: 114,644,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,055,745.12 : 207,072,480.75 = 83,077,688.34 : x
  2. Step 2: Convert to fraction form
    150,055,745.12/207,072,480.75 = 83,077,688.34/x
  3. Step 3: Cross multiply
    150,055,745.12x = 207,072,480.75 × 83,077,688.34
  4. Step 4: Simplify right side
    150,055,745.12x = 17,203,103,018,503,786
  5. Step 5: Solve for x
    x = 17,203,103,018,503,786/150,055,745.12
  6. Step 6: Final answer
    x = 114,644,747.56

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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.