Finding the Fourth Proportional to 283,768,993.08, 391,601,037.24 and 153,388,801.08
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Solution
The fourth proportional to 283,768,993.08, 391,601,037.24 and 153,388,801.08 is: 211,676,451.86
Step by Step Solution
- Step 1: Write the proportion equation
283,768,993.08 : 391,601,037.24 = 153,388,801.08 : x - Step 2: Convert to fraction form
283,768,993.08/391,601,037.24 = 153,388,801.08/x - Step 3: Cross multiply
283,768,993.08x = 391,601,037.24 × 153,388,801.08 - Step 4: Simplify right side
283,768,993.08x = 60,067,213,603,928,040 - Step 5: Solve for x
x = 60,067,213,603,928,040/283,768,993.08 - Step 6: Final answer
x = 211,676,451.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.