Finding the Fourth Proportional to 201,430,368.68, 302,128,245.44 and 122,626,424.17
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Solution
The fourth proportional to 201,430,368.68, 302,128,245.44 and 122,626,424.17 is: 183,929,099.78
Step by Step Solution
- Step 1: Write the proportion equation
201,430,368.68 : 302,128,245.44 = 122,626,424.17 : x - Step 2: Convert to fraction form
201,430,368.68/302,128,245.44 = 122,626,424.17/x - Step 3: Cross multiply
201,430,368.68x = 302,128,245.44 × 122,626,424.17 - Step 4: Simplify right side
201,430,368.68x = 37,048,906,379,287,688 - Step 5: Solve for x
x = 37,048,906,379,287,688/201,430,368.68 - Step 6: Final answer
x = 183,929,099.78
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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.