Home / 371,331,708.99-557,016,064.69-141,318,620.43

Finding the Fourth Proportional to 371,331,708.99, 557,016,064.69 and 141,318,620.43

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Solution

The fourth proportional to 371,331,708.99, 557,016,064.69 and 141,318,620.43 is: 211,984,971.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,331,708.99 : 557,016,064.69 = 141,318,620.43 : x
  2. Step 2: Convert to fraction form
    371,331,708.99/557,016,064.69 = 141,318,620.43/x
  3. Step 3: Cross multiply
    371,331,708.99x = 557,016,064.69 × 141,318,620.43
  4. Step 4: Simplify right side
    371,331,708.99x = 78,716,741,819,338,448
  5. Step 5: Solve for x
    x = 78,716,741,819,338,448/371,331,708.99
  6. Step 6: Final answer
    x = 211,984,971.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.