Finding the Fourth Proportional to 242,557,705.10, 363,836,557.65 and 133,340,674.70
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Solution
The fourth proportional to 242,557,705.10, 363,836,557.65 and 133,340,674.70 is: 200,011,012.05
Step by Step Solution
- Step 1: Write the proportion equation
242,557,705.10 : 363,836,557.65 = 133,340,674.70 : x - Step 2: Convert to fraction form
242,557,705.10/363,836,557.65 = 133,340,674.70/x - Step 3: Cross multiply
242,557,705.10x = 363,836,557.65 × 133,340,674.70 - Step 4: Simplify right side
242,557,705.10x = 48,514,212,077,576,448 - Step 5: Solve for x
x = 48,514,212,077,576,448/242,557,705.10 - Step 6: Final answer
x = 200,011,012.05
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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.