Home / 251,615,436,251.94-377,476,161,258.22-81,621,751,672.40

Finding the Fourth Proportional to 251,615,436,251.94, 377,476,161,258.22 and 81,621,751,672.40

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Solution

The fourth proportional to 251,615,436,251.94, 377,476,161,258.22 and 81,621,751,672.40 is: 122,449,822,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,615,436,251.94 : 377,476,161,258.22 = 81,621,751,672.40 : x
  2. Step 2: Convert to fraction form
    251,615,436,251.94/377,476,161,258.22 = 81,621,751,672.40/x
  3. Step 3: Cross multiply
    251,615,436,251.94x = 377,476,161,258.22 × 81,621,751,672.40
  4. Step 4: Simplify right side
    251,615,436,251.94x = 30,810,265,496,467,737,149,440
  5. Step 5: Solve for x
    x = 30,810,265,496,467,737,149,440/251,615,436,251.94
  6. Step 6: Final answer
    x = 122,449,822,456.91

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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.