Home / 193,198,241,824.68-289,929,738,100.78-67,428,838,830.54

Finding the Fourth Proportional to 193,198,241,824.68, 289,929,738,100.78 and 67,428,838,830.54

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Solution

The fourth proportional to 193,198,241,824.68, 289,929,738,100.78 and 67,428,838,830.54 is: 101,189,459,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,198,241,824.68 : 289,929,738,100.78 = 67,428,838,830.54 : x
  2. Step 2: Convert to fraction form
    193,198,241,824.68/289,929,738,100.78 = 67,428,838,830.54/x
  3. Step 3: Cross multiply
    193,198,241,824.68x = 289,929,738,100.78 × 67,428,838,830.54
  4. Step 4: Simplify right side
    193,198,241,824.68x = 19,549,625,582,579,326,386,176
  5. Step 5: Solve for x
    x = 19,549,625,582,579,326,386,176/193,198,241,824.68
  6. Step 6: Final answer
    x = 101,189,459,065.16

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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.