Home / 149,365,940,644.20-206,125,619,117.88-80,777,353,758

Finding the Fourth Proportional to 149,365,940,644.20, 206,125,619,117.88 and 80,777,353,758

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Solution

The fourth proportional to 149,365,940,644.20, 206,125,619,117.88 and 80,777,353,758 is: 111,473,084,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,365,940,644.20 : 206,125,619,117.88 = 80,777,353,758 : x
  2. Step 2: Convert to fraction form
    149,365,940,644.20/206,125,619,117.88 = 80,777,353,758/x
  3. Step 3: Cross multiply
    149,365,940,644.20x = 206,125,619,117.88 × 80,777,353,758
  4. Step 4: Simplify right side
    149,365,940,644.20x = 16,650,282,054,071,760,191,488
  5. Step 5: Solve for x
    x = 16,650,282,054,071,760,191,488/149,365,940,644.20
  6. Step 6: Final answer
    x = 111,473,084,039.51

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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.