Home / 139,105,986,623.56-208,670,999,539.58-38,376,854,197.05

Finding the Fourth Proportional to 139,105,986,623.56, 208,670,999,539.58 and 38,376,854,197.05

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Solution

The fourth proportional to 139,105,986,623.56, 208,670,999,539.58 and 38,376,854,197.05 is: 57,568,597,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,105,986,623.56 : 208,670,999,539.58 = 38,376,854,197.05 : x
  2. Step 2: Convert to fraction form
    139,105,986,623.56/208,670,999,539.58 = 38,376,854,197.05/x
  3. Step 3: Cross multiply
    139,105,986,623.56x = 208,670,999,539.58 × 38,376,854,197.05
  4. Step 4: Simplify right side
    139,105,986,623.56x = 8,008,136,524,483,149,168,640
  5. Step 5: Solve for x
    x = 8,008,136,524,483,149,168,640/139,105,986,623.56
  6. Step 6: Final answer
    x = 57,568,597,289.45

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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.