Home / 112,279,524,579.22-154,999,172,921.17-75,221,806,993.74

Finding the Fourth Proportional to 112,279,524,579.22, 154,999,172,921.17 and 75,221,806,993.74

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Solution

The fourth proportional to 112,279,524,579.22, 154,999,172,921.17 and 75,221,806,993.74 is: 103,841,888,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,279,524,579.22 : 154,999,172,921.17 = 75,221,806,993.74 : x
  2. Step 2: Convert to fraction form
    112,279,524,579.22/154,999,172,921.17 = 75,221,806,993.74/x
  3. Step 3: Cross multiply
    112,279,524,579.22x = 154,999,172,921.17 × 75,221,806,993.74
  4. Step 4: Simplify right side
    112,279,524,579.22x = 11,659,317,869,665,583,104,000
  5. Step 5: Solve for x
    x = 11,659,317,869,665,583,104,000/112,279,524,579.22
  6. Step 6: Final answer
    x = 103,841,888,477.53

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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.