Finding the Fourth Proportional to 252,238,916.96, 348,089,551.44 and 136,345,412.96
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Solution
The fourth proportional to 252,238,916.96, 348,089,551.44 and 136,345,412.96 is: 188,156,586.66
Step by Step Solution
- Step 1: Write the proportion equation
252,238,916.96 : 348,089,551.44 = 136,345,412.96 : x - Step 2: Convert to fraction form
252,238,916.96/348,089,551.44 = 136,345,412.96/x - Step 3: Cross multiply
252,238,916.96x = 348,089,551.44 × 136,345,412.96 - Step 4: Simplify right side
252,238,916.96x = 47,460,413,638,147,968 - Step 5: Solve for x
x = 47,460,413,638,147,968/252,238,916.96 - Step 6: Final answer
x = 188,156,586.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.