Finding the Fourth Proportional to 155,587,463.66, 214,722,939.43 and 88,609,253.99
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Solution
The fourth proportional to 155,587,463.66, 214,722,939.43 and 88,609,253.99 is: 122,287,741.12
Step by Step Solution
- Step 1: Write the proportion equation
155,587,463.66 : 214,722,939.43 = 88,609,253.99 : x - Step 2: Convert to fraction form
155,587,463.66/214,722,939.43 = 88,609,253.99/x - Step 3: Cross multiply
155,587,463.66x = 214,722,939.43 × 88,609,253.99 - Step 4: Simplify right side
155,587,463.66x = 19,026,439,477,641,824 - Step 5: Solve for x
x = 19,026,439,477,641,824/155,587,463.66 - Step 6: Final answer
x = 122,287,741.12
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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.