Home / 69,844,338,628.30-104,766,507,942.45-20,159,281,809.10

Finding the Fourth Proportional to 69,844,338,628.30, 104,766,507,942.45 and 20,159,281,809.10

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Solution

The fourth proportional to 69,844,338,628.30, 104,766,507,942.45 and 20,159,281,809.10 is: 30,238,922,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,844,338,628.30 : 104,766,507,942.45 = 20,159,281,809.10 : x
  2. Step 2: Convert to fraction form
    69,844,338,628.30/104,766,507,942.45 = 20,159,281,809.10/x
  3. Step 3: Cross multiply
    69,844,338,628.30x = 104,766,507,942.45 × 20,159,281,809.10
  4. Step 4: Simplify right side
    69,844,338,628.30x = 2,112,017,557,767,162,691,584
  5. Step 5: Solve for x
    x = 2,112,017,557,767,162,691,584/69,844,338,628.30
  6. Step 6: Final answer
    x = 30,238,922,713.65

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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.