Home / 112,427,845,009.12-168,635,560,033.72-82,205,953,938.80

Finding the Fourth Proportional to 112,427,845,009.12, 168,635,560,033.72 and 82,205,953,938.80

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Solution

The fourth proportional to 112,427,845,009.12, 168,635,560,033.72 and 82,205,953,938.80 is: 123,304,392,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,427,845,009.12 : 168,635,560,033.72 = 82,205,953,938.80 : x
  2. Step 2: Convert to fraction form
    112,427,845,009.12/168,635,560,033.72 = 82,205,953,938.80/x
  3. Step 3: Cross multiply
    112,427,845,009.12x = 168,635,560,033.72 × 82,205,953,938.80
  4. Step 4: Simplify right side
    112,427,845,009.12x = 13,862,847,080,575,728,091,136
  5. Step 5: Solve for x
    x = 13,862,847,080,575,728,091,136/112,427,845,009.12
  6. Step 6: Final answer
    x = 123,304,392,069.88

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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.