Finding the Fourth Proportional to 242,557,643.10, 363,836,464.65 and 133,340,612.70
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Solution
The fourth proportional to 242,557,643.10, 363,836,464.65 and 133,340,612.70 is: 200,010,919.05
Step by Step Solution
- Step 1: Write the proportion equation
242,557,643.10 : 363,836,464.65 = 133,340,612.70 : x - Step 2: Convert to fraction form
242,557,643.10/363,836,464.65 = 133,340,612.70/x - Step 3: Cross multiply
242,557,643.10x = 363,836,464.65 × 133,340,612.70 - Step 4: Simplify right side
242,557,643.10x = 48,514,177,119,032,888 - Step 5: Solve for x
x = 48,514,177,119,032,888/242,557,643.10 - Step 6: Final answer
x = 200,010,919.05
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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.