Home / 143,392,623,105.06-197,907,728,980.05-85,524,716,479.14

Finding the Fourth Proportional to 143,392,623,105.06, 197,907,728,980.05 and 85,524,716,479.14

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Solution

The fourth proportional to 143,392,623,105.06, 197,907,728,980.05 and 85,524,716,479.14 is: 118,039,561,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,392,623,105.06 : 197,907,728,980.05 = 85,524,716,479.14 : x
  2. Step 2: Convert to fraction form
    143,392,623,105.06/197,907,728,980.05 = 85,524,716,479.14/x
  3. Step 3: Cross multiply
    143,392,623,105.06x = 197,907,728,980.05 × 85,524,716,479.14
  4. Step 4: Simplify right side
    143,392,623,105.06x = 16,926,002,410,049,253,670,912
  5. Step 5: Solve for x
    x = 16,926,002,410,049,253,670,912/143,392,623,105.06
  6. Step 6: Final answer
    x = 118,039,561,893.28

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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.