Finding the Fourth Proportional to 242,558,663.10, 363,837,994.65 and 133,341,632.70
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Solution
The fourth proportional to 242,558,663.10, 363,837,994.65 and 133,341,632.70 is: 200,012,449.05
Step by Step Solution
- Step 1: Write the proportion equation
242,558,663.10 : 363,837,994.65 = 133,341,632.70 : x - Step 2: Convert to fraction form
242,558,663.10/363,837,994.65 = 133,341,632.70/x - Step 3: Cross multiply
242,558,663.10x = 363,837,994.65 × 133,341,632.70 - Step 4: Simplify right side
242,558,663.10x = 48,514,752,244,924,864 - Step 5: Solve for x
x = 48,514,752,244,924,864/242,558,663.10 - Step 6: Final answer
x = 200,012,449.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.