Finding the Fourth Proportional to 358,859,683.07, 538,289,523.99 and 86,230,450.07
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Solution
The fourth proportional to 358,859,683.07, 538,289,523.99 and 86,230,450.07 is: 129,345,674.95
Step by Step Solution
- Step 1: Write the proportion equation
358,859,683.07 : 538,289,523.99 = 86,230,450.07 : x - Step 2: Convert to fraction form
358,859,683.07/538,289,523.99 = 86,230,450.07/x - Step 3: Cross multiply
358,859,683.07x = 538,289,523.99 × 86,230,450.07 - Step 4: Simplify right side
358,859,683.07x = 46,416,947,918,501,160 - Step 5: Solve for x
x = 46,416,947,918,501,160/358,859,683.07 - Step 6: Final answer
x = 129,345,674.95
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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.