Home / 81,664,533,190.56-122,426,929,908.98-31,336,084,003.21

Finding the Fourth Proportional to 81,664,533,190.56, 122,426,929,908.98 and 31,336,084,003.21

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Solution

The fourth proportional to 81,664,533,190.56, 122,426,929,908.98 and 31,336,084,003.21 is: 46,977,315,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,664,533,190.56 : 122,426,929,908.98 = 31,336,084,003.21 : x
  2. Step 2: Convert to fraction form
    81,664,533,190.56/122,426,929,908.98 = 31,336,084,003.21/x
  3. Step 3: Cross multiply
    81,664,533,190.56x = 122,426,929,908.98 × 31,336,084,003.21
  4. Step 4: Simplify right side
    81,664,533,190.56x = 3,836,380,559,882,655,367,168
  5. Step 5: Solve for x
    x = 3,836,380,559,882,655,367,168/81,664,533,190.56
  6. Step 6: Final answer
    x = 46,977,315,733.02

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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.