Finding the Fourth Proportional to 239,239,743.72, 358,859,616.06 and 57,486,921.96
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Solution
The fourth proportional to 239,239,743.72, 358,859,616.06 and 57,486,921.96 is: 86,230,383.06
Step by Step Solution
- Step 1: Write the proportion equation
239,239,743.72 : 358,859,616.06 = 57,486,921.96 : x - Step 2: Convert to fraction form
239,239,743.72/358,859,616.06 = 57,486,921.96/x - Step 3: Cross multiply
239,239,743.72x = 358,859,616.06 × 57,486,921.96 - Step 4: Simplify right side
239,239,743.72x = 20,629,734,743,036,784 - Step 5: Solve for x
x = 20,629,734,743,036,784/239,239,743.72 - Step 6: Final answer
x = 86,230,383.06
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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.