Home / 139,994,721.44-193,163,874.15-80,444,511.16

Finding the Fourth Proportional to 139,994,721.44, 193,163,874.15 and 80,444,511.16

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Solution

The fourth proportional to 139,994,721.44, 193,163,874.15 and 80,444,511.16 is: 110,996,852.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,994,721.44 : 193,163,874.15 = 80,444,511.16 : x
  2. Step 2: Convert to fraction form
    139,994,721.44/193,163,874.15 = 80,444,511.16/x
  3. Step 3: Cross multiply
    139,994,721.44x = 193,163,874.15 × 80,444,511.16
  4. Step 4: Simplify right side
    139,994,721.44x = 15,538,973,429,969,622
  5. Step 5: Solve for x
    x = 15,538,973,429,969,622/139,994,721.44
  6. Step 6: Final answer
    x = 110,996,852.38

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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.