Finding the Fourth Proportional to 136,242,977.64, 204,454,726.69 and 74,874,992.19
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Solution
The fourth proportional to 136,242,977.64, 204,454,726.69 and 74,874,992.19 is: 112,362,092.56
Step by Step Solution
- Step 1: Write the proportion equation
136,242,977.64 : 204,454,726.69 = 74,874,992.19 : x - Step 2: Convert to fraction form
136,242,977.64/204,454,726.69 = 74,874,992.19/x - Step 3: Cross multiply
136,242,977.64x = 204,454,726.69 × 74,874,992.19 - Step 4: Simplify right side
136,242,977.64x = 15,308,546,063,100,062 - Step 5: Solve for x
x = 15,308,546,063,100,062/136,242,977.64 - Step 6: Final answer
x = 112,362,092.56
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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.