Home / 81,664,533,192.56-122,426,929,911.98-31,336,084,005.20

Finding the Fourth Proportional to 81,664,533,192.56, 122,426,929,911.98 and 31,336,084,005.20

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Solution

The fourth proportional to 81,664,533,192.56, 122,426,929,911.98 and 31,336,084,005.20 is: 46,977,315,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,664,533,192.56 : 122,426,929,911.98 = 31,336,084,005.20 : x
  2. Step 2: Convert to fraction form
    81,664,533,192.56/122,426,929,911.98 = 31,336,084,005.20/x
  3. Step 3: Cross multiply
    81,664,533,192.56x = 122,426,929,911.98 × 31,336,084,005.20
  4. Step 4: Simplify right side
    81,664,533,192.56x = 3,836,380,560,220,538,011,648
  5. Step 5: Solve for x
    x = 3,836,380,560,220,538,011,648/81,664,533,192.56
  6. Step 6: Final answer
    x = 46,977,315,736.01

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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.