Home / 81,767,647,212.32-122,548,299,360.02-41,440,631,503.35

Finding the Fourth Proportional to 81,767,647,212.32, 122,548,299,360.02 and 41,440,631,503.35

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Solution

The fourth proportional to 81,767,647,212.32, 122,548,299,360.02 and 41,440,631,503.35 is: 62,108,658,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,767,647,212.32 : 122,548,299,360.02 = 41,440,631,503.35 : x
  2. Step 2: Convert to fraction form
    81,767,647,212.32/122,548,299,360.02 = 41,440,631,503.35/x
  3. Step 3: Cross multiply
    81,767,647,212.32x = 122,548,299,360.02 × 41,440,631,503.35
  4. Step 4: Simplify right side
    81,767,647,212.32x = 5,078,478,915,140,810,964,992
  5. Step 5: Solve for x
    x = 5,078,478,915,140,810,964,992/81,767,647,212.32
  6. Step 6: Final answer
    x = 62,108,658,965.74

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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.