Finding the Fourth Proportional to 143,616,668.70, 215,115,578.04 and 97,304,439.60
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Solution
The fourth proportional to 143,616,668.70, 215,115,578.04 and 97,304,439.60 is: 145,747,015.02
Step by Step Solution
- Step 1: Write the proportion equation
143,616,668.70 : 215,115,578.04 = 97,304,439.60 : x - Step 2: Convert to fraction form
143,616,668.70/215,115,578.04 = 97,304,439.60/x - Step 3: Cross multiply
143,616,668.70x = 215,115,578.04 × 97,304,439.60 - Step 4: Simplify right side
143,616,668.70x = 20,931,700,770,412,264 - Step 5: Solve for x
x = 20,931,700,770,412,264/143,616,668.70 - Step 6: Final answer
x = 145,747,015.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.