Finding the Fourth Proportional to 291,575,895, 402,383,133.18 and 161,204,101.08
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Solution
The fourth proportional to 291,575,895, 402,383,133.18 and 161,204,101.08 is: 222,466,302.55
Step by Step Solution
- Step 1: Write the proportion equation
291,575,895 : 402,383,133.18 = 161,204,101.08 : x - Step 2: Convert to fraction form
291,575,895/402,383,133.18 = 161,204,101.08/x - Step 3: Cross multiply
291,575,895x = 402,383,133.18 × 161,204,101.08 - Step 4: Simplify right side
291,575,895x = 64,865,811,274,035,832 - Step 5: Solve for x
x = 64,865,811,274,035,832/291,575,895 - Step 6: Final answer
x = 222,466,302.55
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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.