Home / 83,939,892,087.85-125,781,716,121.57-49,838,270,198.67

Finding the Fourth Proportional to 83,939,892,087.85, 125,781,716,121.57 and 49,838,270,198.67

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Solution

The fourth proportional to 83,939,892,087.85, 125,781,716,121.57 and 49,838,270,198.67 is: 74,681,334,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,939,892,087.85 : 125,781,716,121.57 = 49,838,270,198.67 : x
  2. Step 2: Convert to fraction form
    83,939,892,087.85/125,781,716,121.57 = 49,838,270,198.67/x
  3. Step 3: Cross multiply
    83,939,892,087.85x = 125,781,716,121.57 × 49,838,270,198.67
  4. Step 4: Simplify right side
    83,939,892,087.85x = 6,268,743,154,119,212,007,424
  5. Step 5: Solve for x
    x = 6,268,743,154,119,212,007,424/83,939,892,087.85
  6. Step 6: Final answer
    x = 74,681,334,442.97

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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.