Finding the Fourth Proportional to 68,954,316.14, 103,400,348.42 and 19,758,917.09
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Solution
The fourth proportional to 68,954,316.14, 103,400,348.42 and 19,758,917.09 is: 29,629,456.52
Step by Step Solution
- Step 1: Write the proportion equation
68,954,316.14 : 103,400,348.42 = 19,758,917.09 : x - Step 2: Convert to fraction form
68,954,316.14/103,400,348.42 = 19,758,917.09/x - Step 3: Cross multiply
68,954,316.14x = 103,400,348.42 × 19,758,917.09 - Step 4: Simplify right side
68,954,316.14x = 2,043,078,911,815,790.75 - Step 5: Solve for x
x = 2,043,078,911,815,790.75/68,954,316.14 - Step 6: Final answer
x = 29,629,456.52
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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.