Home / 112,427,844,999.12-168,635,560,018.70-82,205,953,928.82

Finding the Fourth Proportional to 112,427,844,999.12, 168,635,560,018.70 and 82,205,953,928.82

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Solution

The fourth proportional to 112,427,844,999.12, 168,635,560,018.70 and 82,205,953,928.82 is: 123,304,392,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,427,844,999.12 : 168,635,560,018.70 = 82,205,953,928.82 : x
  2. Step 2: Convert to fraction form
    112,427,844,999.12/168,635,560,018.70 = 82,205,953,928.82/x
  3. Step 3: Cross multiply
    112,427,844,999.12x = 168,635,560,018.70 × 82,205,953,928.82
  4. Step 4: Simplify right side
    112,427,844,999.12x = 13,862,847,077,658,015,039,488
  5. Step 5: Solve for x
    x = 13,862,847,077,658,015,039,488/112,427,844,999.12
  6. Step 6: Final answer
    x = 123,304,392,054.89

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1.5x scale

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.