Home / 171,648,638.82-257,448,716.55-55,048,843.41

Finding the Fourth Proportional to 171,648,638.82, 257,448,716.55 and 55,048,843.41

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Solution

The fourth proportional to 171,648,638.82, 257,448,716.55 and 55,048,843.41 is: 82,565,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,648,638.82 : 257,448,716.55 = 55,048,843.41 : x
  2. Step 2: Convert to fraction form
    171,648,638.82/257,448,716.55 = 55,048,843.41/x
  3. Step 3: Cross multiply
    171,648,638.82x = 257,448,716.55 × 55,048,843.41
  4. Step 4: Simplify right side
    171,648,638.82x = 14,172,254,083,466,426
  5. Step 5: Solve for x
    x = 14,172,254,083,466,426/171,648,638.82
  6. Step 6: Final answer
    x = 82,565,490.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.