Finding the Fourth Proportional to 197,218,486.10, 272,151,552.37 and 107,908,497.30
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Solution
The fourth proportional to 197,218,486.10, 272,151,552.37 and 107,908,497.30 is: 148,908,277.49
Step by Step Solution
- Step 1: Write the proportion equation
197,218,486.10 : 272,151,552.37 = 107,908,497.30 : x - Step 2: Convert to fraction form
197,218,486.10/272,151,552.37 = 107,908,497.30/x - Step 3: Cross multiply
197,218,486.10x = 272,151,552.37 × 107,908,497.30 - Step 4: Simplify right side
197,218,486.10x = 29,367,465,054,108,952 - Step 5: Solve for x
x = 29,367,465,054,108,952/197,218,486.10 - Step 6: Final answer
x = 148,908,277.49
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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.