Home / 275,501,579.40-380,177,830.80-171,077,408.64

Finding the Fourth Proportional to 275,501,579.40, 380,177,830.80 and 171,077,408.64

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Solution

The fourth proportional to 275,501,579.40, 380,177,830.80 and 171,077,408.64 is: 236,077,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,501,579.40 : 380,177,830.80 = 171,077,408.64 : x
  2. Step 2: Convert to fraction form
    275,501,579.40/380,177,830.80 = 171,077,408.64/x
  3. Step 3: Cross multiply
    275,501,579.40x = 380,177,830.80 × 171,077,408.64
  4. Step 4: Simplify right side
    275,501,579.40x = 65,039,838,115,640,376
  5. Step 5: Solve for x
    x = 65,039,838,115,640,376/275,501,579.40
  6. Step 6: Final answer
    x = 236,077,913.81

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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.