Home / 193,198,241,826.18-289,929,738,103.03-67,428,838,832.04

Finding the Fourth Proportional to 193,198,241,826.18, 289,929,738,103.03 and 67,428,838,832.04

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Solution

The fourth proportional to 193,198,241,826.18, 289,929,738,103.03 and 67,428,838,832.04 is: 101,189,459,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,198,241,826.18 : 289,929,738,103.03 = 67,428,838,832.04 : x
  2. Step 2: Convert to fraction form
    193,198,241,826.18/289,929,738,103.03 = 67,428,838,832.04/x
  3. Step 3: Cross multiply
    193,198,241,826.18x = 289,929,738,103.03 × 67,428,838,832.04
  4. Step 4: Simplify right side
    193,198,241,826.18x = 19,549,625,583,164,779,921,408
  5. Step 5: Solve for x
    x = 19,549,625,583,164,779,921,408/193,198,241,826.18
  6. Step 6: Final answer
    x = 101,189,459,067.41

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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.