Home / 149,365,940,636.31-206,125,619,106.97-80,777,353,750.10

Finding the Fourth Proportional to 149,365,940,636.31, 206,125,619,106.97 and 80,777,353,750.10

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Solution

The fourth proportional to 149,365,940,636.31, 206,125,619,106.97 and 80,777,353,750.10 is: 111,473,084,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,365,940,636.31 : 206,125,619,106.97 = 80,777,353,750.10 : x
  2. Step 2: Convert to fraction form
    149,365,940,636.31/206,125,619,106.97 = 80,777,353,750.10/x
  3. Step 3: Cross multiply
    149,365,940,636.31x = 206,125,619,106.97 × 80,777,353,750.10
  4. Step 4: Simplify right side
    149,365,940,636.31x = 16,650,282,051,561,056,108,544
  5. Step 5: Solve for x
    x = 16,650,282,051,561,056,108,544/149,365,940,636.31
  6. Step 6: Final answer
    x = 111,473,084,028.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.