Home / 139,105,986,625.06-208,670,999,541.83-38,376,854,198.55

Finding the Fourth Proportional to 139,105,986,625.06, 208,670,999,541.83 and 38,376,854,198.55

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Solution

The fourth proportional to 139,105,986,625.06, 208,670,999,541.83 and 38,376,854,198.55 is: 57,568,597,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,105,986,625.06 : 208,670,999,541.83 = 38,376,854,198.55 : x
  2. Step 2: Convert to fraction form
    139,105,986,625.06/208,670,999,541.83 = 38,376,854,198.55/x
  3. Step 3: Cross multiply
    139,105,986,625.06x = 208,670,999,541.83 × 38,376,854,198.55
  4. Step 4: Simplify right side
    139,105,986,625.06x = 8,008,136,524,882,503,532,544
  5. Step 5: Solve for x
    x = 8,008,136,524,882,503,532,544/139,105,986,625.06
  6. Step 6: Final answer
    x = 57,568,597,291.70

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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.