Home / 82,259,874.59-113,452,435.78-72,315,494.75

Finding the Fourth Proportional to 82,259,874.59, 113,452,435.78 and 72,315,494.75

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Solution

The fourth proportional to 82,259,874.59, 113,452,435.78 and 72,315,494.75 is: 99,737,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,259,874.59 : 113,452,435.78 = 72,315,494.75 : x
  2. Step 2: Convert to fraction form
    82,259,874.59/113,452,435.78 = 72,315,494.75/x
  3. Step 3: Cross multiply
    82,259,874.59x = 113,452,435.78 × 72,315,494.75
  4. Step 4: Simplify right side
    82,259,874.59x = 8,204,369,024,023,302
  5. Step 5: Solve for x
    x = 8,204,369,024,023,302/82,259,874.59
  6. Step 6: Final answer
    x = 99,737,193.44

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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.