Home / 275,639,385.45-380,399,295.83-151,880,029.77

Finding the Fourth Proportional to 275,639,385.45, 380,399,295.83 and 151,880,029.77

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Solution

The fourth proportional to 275,639,385.45, 380,399,295.83 and 151,880,029.77 is: 209,603,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,639,385.45 : 380,399,295.83 = 151,880,029.77 : x
  2. Step 2: Convert to fraction form
    275,639,385.45/380,399,295.83 = 151,880,029.77/x
  3. Step 3: Cross multiply
    275,639,385.45x = 380,399,295.83 × 151,880,029.77
  4. Step 4: Simplify right side
    275,639,385.45x = 57,775,056,374,388,040
  5. Step 5: Solve for x
    x = 57,775,056,374,388,040/275,639,385.45
  6. Step 6: Final answer
    x = 209,603,777.34

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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.