Finding the Fourth Proportional to 157,629,569.18, 236,466,918.09 and 48,463,905.02
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Solution
The fourth proportional to 157,629,569.18, 236,466,918.09 and 48,463,905.02 is: 72,702,795.02
Step by Step Solution
- Step 1: Write the proportion equation
157,629,569.18 : 236,466,918.09 = 48,463,905.02 : x - Step 2: Convert to fraction form
157,629,569.18/236,466,918.09 = 48,463,905.02/x - Step 3: Cross multiply
157,629,569.18x = 236,466,918.09 × 48,463,905.02 - Step 4: Simplify right side
157,629,569.18x = 11,460,110,257,503,546 - Step 5: Solve for x
x = 11,460,110,257,503,546/157,629,569.18 - Step 6: Final answer
x = 72,702,795.02
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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.