Home / 139,105,986,633.11-208,670,999,553.73-38,376,854,206.43

Finding the Fourth Proportional to 139,105,986,633.11, 208,670,999,553.73 and 38,376,854,206.43

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Solution

The fourth proportional to 139,105,986,633.11, 208,670,999,553.73 and 38,376,854,206.43 is: 57,568,597,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,105,986,633.11 : 208,670,999,553.73 = 38,376,854,206.43 : x
  2. Step 2: Convert to fraction form
    139,105,986,633.11/208,670,999,553.73 = 38,376,854,206.43/x
  3. Step 3: Cross multiply
    139,105,986,633.11x = 208,670,999,553.73 × 38,376,854,206.43
  4. Step 4: Simplify right side
    139,105,986,633.11x = 8,008,136,526,982,473,056,256
  5. Step 5: Solve for x
    x = 8,008,136,526,982,473,056,256/139,105,986,633.11
  6. Step 6: Final answer
    x = 57,568,597,303.46

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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.