Finding the Fourth Proportional to 239,239,677.47, 358,859,516.41 and 57,486,855.47
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Solution
The fourth proportional to 239,239,677.47, 358,859,516.41 and 57,486,855.47 is: 86,230,283.25
Step by Step Solution
- Step 1: Write the proportion equation
239,239,677.47 : 358,859,516.41 = 57,486,855.47 : x - Step 2: Convert to fraction form
239,239,677.47/358,859,516.41 = 57,486,855.47/x - Step 3: Cross multiply
239,239,677.47x = 358,859,516.41 × 57,486,855.47 - Step 4: Simplify right side
239,239,677.47x = 20,629,705,153,895,764 - Step 5: Solve for x
x = 20,629,705,153,895,764/239,239,677.47 - Step 6: Final answer
x = 86,230,283.25
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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.