Home / 205,546,041,212.77-308,317,818,247.21-111,814,676,016.66

Finding the Fourth Proportional to 205,546,041,212.77, 308,317,818,247.21 and 111,814,676,016.66

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Solution

The fourth proportional to 205,546,041,212.77, 308,317,818,247.21 and 111,814,676,016.66 is: 167,721,337,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,546,041,212.77 : 308,317,818,247.21 = 111,814,676,016.66 : x
  2. Step 2: Convert to fraction form
    205,546,041,212.77/308,317,818,247.21 = 111,814,676,016.66/x
  3. Step 3: Cross multiply
    205,546,041,212.77x = 308,317,818,247.21 × 111,814,676,016.66
  4. Step 4: Simplify right side
    205,546,041,212.77x = 34,474,456,957,475,251,814,400
  5. Step 5: Solve for x
    x = 34,474,456,957,475,251,814,400/205,546,041,212.77
  6. Step 6: Final answer
    x = 167,721,337,536.19

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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.