Finding the Fourth Proportional to 136,242,977.14, 204,454,725.94 and 74,874,991.69
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Solution
The fourth proportional to 136,242,977.14, 204,454,725.94 and 74,874,991.69 is: 112,362,091.81
Step by Step Solution
- Step 1: Write the proportion equation
136,242,977.14 : 204,454,725.94 = 74,874,991.69 : x - Step 2: Convert to fraction form
136,242,977.14/204,454,725.94 = 74,874,991.69/x - Step 3: Cross multiply
136,242,977.14x = 204,454,725.94 × 74,874,991.69 - Step 4: Simplify right side
136,242,977.14x = 15,308,545,904,716,454 - Step 5: Solve for x
x = 15,308,545,904,716,454/136,242,977.14 - Step 6: Final answer
x = 112,362,091.81
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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.