Home / 139,717,752,143.67-192,969,543,002.67-93,912,503,718.33

Finding the Fourth Proportional to 139,717,752,143.67, 192,969,543,002.67 and 93,912,503,718.33

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Solution

The fourth proportional to 139,717,752,143.67, 192,969,543,002.67 and 93,912,503,718.33 is: 129,706,158,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,717,752,143.67 : 192,969,543,002.67 = 93,912,503,718.33 : x
  2. Step 2: Convert to fraction form
    139,717,752,143.67/192,969,543,002.67 = 93,912,503,718.33/x
  3. Step 3: Cross multiply
    139,717,752,143.67x = 192,969,543,002.67 × 93,912,503,718.33
  4. Step 4: Simplify right side
    139,717,752,143.67x = 18,122,252,924,762,688,847,872
  5. Step 5: Solve for x
    x = 18,122,252,924,762,688,847,872/139,717,752,143.67
  6. Step 6: Final answer
    x = 129,706,158,642.80

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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.