Finding the Fourth Proportional to 197,362,235.16, 272,363,109.18 and 108,052,689.24
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Solution
The fourth proportional to 197,362,235.16, 272,363,109.18 and 108,052,689.24 is: 149,114,476.60
Step by Step Solution
- Step 1: Write the proportion equation
197,362,235.16 : 272,363,109.18 = 108,052,689.24 : x - Step 2: Convert to fraction form
197,362,235.16/272,363,109.18 = 108,052,689.24/x - Step 3: Cross multiply
197,362,235.16x = 272,363,109.18 × 108,052,689.24 - Step 4: Simplify right side
197,362,235.16x = 29,429,566,396,666,732 - Step 5: Solve for x
x = 29,429,566,396,666,732/197,362,235.16 - Step 6: Final answer
x = 149,114,476.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.