Finding the Fourth Proportional to 136,243,182.54, 204,455,034.12 and 74,875,197.06
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Solution
The fourth proportional to 136,243,182.54, 204,455,034.12 and 74,875,197.06 is: 112,362,399.97
Step by Step Solution
- Step 1: Write the proportion equation
136,243,182.54 : 204,455,034.12 = 74,875,197.06 : x - Step 2: Convert to fraction form
136,243,182.54/204,455,034.12 = 74,875,197.06/x - Step 3: Cross multiply
136,243,182.54x = 204,455,034.12 × 74,875,197.06 - Step 4: Simplify right side
136,243,182.54x = 15,308,610,969,644,024 - Step 5: Solve for x
x = 15,308,610,969,644,024/136,243,182.54 - Step 6: Final answer
x = 112,362,399.97
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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.