Home / 138,008,093,647.40-207,012,140,471.10-132,590,324,277.80

Finding the Fourth Proportional to 138,008,093,647.40, 207,012,140,471.10 and 132,590,324,277.80

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Solution

The fourth proportional to 138,008,093,647.40, 207,012,140,471.10 and 132,590,324,277.80 is: 198,885,486,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,008,093,647.40 : 207,012,140,471.10 = 132,590,324,277.80 : x
  2. Step 2: Convert to fraction form
    138,008,093,647.40/207,012,140,471.10 = 132,590,324,277.80/x
  3. Step 3: Cross multiply
    138,008,093,647.40x = 207,012,140,471.10 × 132,590,324,277.80
  4. Step 4: Simplify right side
    138,008,093,647.40x = 27,447,806,834,504,634,466,304
  5. Step 5: Solve for x
    x = 27,447,806,834,504,634,466,304/138,008,093,647.40
  6. Step 6: Final answer
    x = 198,885,486,416.70

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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.