Home / 193,198,241,825.18-289,929,738,101.52-67,428,838,831.05

Finding the Fourth Proportional to 193,198,241,825.18, 289,929,738,101.52 and 67,428,838,831.05

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Solution

The fourth proportional to 193,198,241,825.18, 289,929,738,101.52 and 67,428,838,831.05 is: 101,189,459,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,198,241,825.18 : 289,929,738,101.52 = 67,428,838,831.05 : x
  2. Step 2: Convert to fraction form
    193,198,241,825.18/289,929,738,101.52 = 67,428,838,831.05/x
  3. Step 3: Cross multiply
    193,198,241,825.18x = 289,929,738,101.52 × 67,428,838,831.05
  4. Step 4: Simplify right side
    193,198,241,825.18x = 19,549,625,582,775,930,191,872
  5. Step 5: Solve for x
    x = 19,549,625,582,775,930,191,872/193,198,241,825.18
  6. Step 6: Final answer
    x = 101,189,459,065.92

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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.