Finding the Fourth Proportional to 133,595,909.70, 200,393,864.55 and 79,848,197.70
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Solution
The fourth proportional to 133,595,909.70, 200,393,864.55 and 79,848,197.70 is: 119,772,296.55
Step by Step Solution
- Step 1: Write the proportion equation
133,595,909.70 : 200,393,864.55 = 79,848,197.70 : x - Step 2: Convert to fraction form
133,595,909.70/200,393,864.55 = 79,848,197.70/x - Step 3: Cross multiply
133,595,909.70x = 200,393,864.55 × 79,848,197.70 - Step 4: Simplify right side
133,595,909.70x = 16,001,088,914,455,424 - Step 5: Solve for x
x = 16,001,088,914,455,424/133,595,909.70 - Step 6: Final answer
x = 119,772,296.55
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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.