Finding the Fourth Proportional to 239,239,742.72, 358,859,614.56 and 57,486,920.96
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Solution
The fourth proportional to 239,239,742.72, 358,859,614.56 and 57,486,920.96 is: 86,230,381.56
Step by Step Solution
- Step 1: Write the proportion equation
239,239,742.72 : 358,859,614.56 = 57,486,920.96 : x - Step 2: Convert to fraction form
239,239,742.72/358,859,614.56 = 57,486,920.96/x - Step 3: Cross multiply
239,239,742.72x = 358,859,614.56 × 57,486,920.96 - Step 4: Simplify right side
239,239,742.72x = 20,629,734,297,946,784 - Step 5: Solve for x
x = 20,629,734,297,946,784/239,239,742.72 - Step 6: Final answer
x = 86,230,381.56
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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.