Home / 139,105,986,624.06-208,670,999,540.32-38,376,854,197.55

Finding the Fourth Proportional to 139,105,986,624.06, 208,670,999,540.32 and 38,376,854,197.55

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Solution

The fourth proportional to 139,105,986,624.06, 208,670,999,540.32 and 38,376,854,197.55 is: 57,568,597,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,105,986,624.06 : 208,670,999,540.32 = 38,376,854,197.55 : x
  2. Step 2: Convert to fraction form
    139,105,986,624.06/208,670,999,540.32 = 38,376,854,197.55/x
  3. Step 3: Cross multiply
    139,105,986,624.06x = 208,670,999,540.32 × 38,376,854,197.55
  4. Step 4: Simplify right side
    139,105,986,624.06x = 8,008,136,524,615,884,210,176
  5. Step 5: Solve for x
    x = 8,008,136,524,615,884,210,176/139,105,986,624.06
  6. Step 6: Final answer
    x = 57,568,597,290.20

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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.