Home / 112,279,524,576.98-154,999,172,918.07-75,221,806,991.50

Finding the Fourth Proportional to 112,279,524,576.98, 154,999,172,918.07 and 75,221,806,991.50

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Solution

The fourth proportional to 112,279,524,576.98, 154,999,172,918.07 and 75,221,806,991.50 is: 103,841,888,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,279,524,576.98 : 154,999,172,918.07 = 75,221,806,991.50 : x
  2. Step 2: Convert to fraction form
    112,279,524,576.98/154,999,172,918.07 = 75,221,806,991.50/x
  3. Step 3: Cross multiply
    112,279,524,576.98x = 154,999,172,918.07 × 75,221,806,991.50
  4. Step 4: Simplify right side
    112,279,524,576.98x = 11,659,317,869,084,885,909,504
  5. Step 5: Solve for x
    x = 11,659,317,869,084,885,909,504/112,279,524,576.98
  6. Step 6: Final answer
    x = 103,841,888,474.43

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1.5x scale

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.