Finding the Fourth Proportional to 204,787,903.63, 307,187,578.84 and 66,613,511.20
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Solution
The fourth proportional to 204,787,903.63, 307,187,578.84 and 66,613,511.20 is: 99,922,128.51
Step by Step Solution
- Step 1: Write the proportion equation
204,787,903.63 : 307,187,578.84 = 66,613,511.20 : x - Step 2: Convert to fraction form
204,787,903.63/307,187,578.84 = 66,613,511.20/x - Step 3: Cross multiply
204,787,903.63x = 307,187,578.84 × 66,613,511.20 - Step 4: Simplify right side
204,787,903.63x = 20,462,843,223,559,224 - Step 5: Solve for x
x = 20,462,843,223,559,224/204,787,903.63 - Step 6: Final answer
x = 99,922,128.51
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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.