Home / 99,462,844,949.18-149,271,634,456.31-69,422,018,278.64

Finding the Fourth Proportional to 99,462,844,949.18, 149,271,634,456.31 and 69,422,018,278.64

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Solution

The fourth proportional to 99,462,844,949.18, 149,271,634,456.31 and 69,422,018,278.64 is: 104,187,027,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,462,844,949.18 : 149,271,634,456.31 = 69,422,018,278.64 : x
  2. Step 2: Convert to fraction form
    99,462,844,949.18/149,271,634,456.31 = 69,422,018,278.64/x
  3. Step 3: Cross multiply
    99,462,844,949.18x = 149,271,634,456.31 × 69,422,018,278.64
  4. Step 4: Simplify right side
    99,462,844,949.18x = 10,362,738,135,707,674,476,544
  5. Step 5: Solve for x
    x = 10,362,738,135,707,674,476,544/99,462,844,949.18
  6. Step 6: Final answer
    x = 104,187,027,236.18

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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.