Home / 138,008,093,644.40-207,012,140,466.60-132,590,324,274.80

Finding the Fourth Proportional to 138,008,093,644.40, 207,012,140,466.60 and 132,590,324,274.80

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Solution

The fourth proportional to 138,008,093,644.40, 207,012,140,466.60 and 132,590,324,274.80 is: 198,885,486,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,008,093,644.40 : 207,012,140,466.60 = 132,590,324,274.80 : x
  2. Step 2: Convert to fraction form
    138,008,093,644.40/207,012,140,466.60 = 132,590,324,274.80/x
  3. Step 3: Cross multiply
    138,008,093,644.40x = 207,012,140,466.60 × 132,590,324,274.80
  4. Step 4: Simplify right side
    138,008,093,644.40x = 27,447,806,833,286,944,129,024
  5. Step 5: Solve for x
    x = 27,447,806,833,286,944,129,024/138,008,093,644.40
  6. Step 6: Final answer
    x = 198,885,486,412.20

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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.