Home / 139,105,986,632.36-208,670,999,552.60-38,376,854,205.68

Finding the Fourth Proportional to 139,105,986,632.36, 208,670,999,552.60 and 38,376,854,205.68

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Solution

The fourth proportional to 139,105,986,632.36, 208,670,999,552.60 and 38,376,854,205.68 is: 57,568,597,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,105,986,632.36 : 208,670,999,552.60 = 38,376,854,205.68 : x
  2. Step 2: Convert to fraction form
    139,105,986,632.36/208,670,999,552.60 = 38,376,854,205.68/x
  3. Step 3: Cross multiply
    139,105,986,632.36x = 208,670,999,552.60 × 38,376,854,205.68
  4. Step 4: Simplify right side
    139,105,986,632.36x = 8,008,136,526,783,021,318,144
  5. Step 5: Solve for x
    x = 8,008,136,526,783,021,318,144/139,105,986,632.36
  6. Step 6: Final answer
    x = 57,568,597,302.34

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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.