Finding the Fourth Proportional to 234,235,780.15, 323,245,380.09 and 129,820,577.53
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Solution
The fourth proportional to 234,235,780.15, 323,245,380.09 and 129,820,577.53 is: 179,152,398.91
Step by Step Solution
- Step 1: Write the proportion equation
234,235,780.15 : 323,245,380.09 = 129,820,577.53 : x - Step 2: Convert to fraction form
234,235,780.15/323,245,380.09 = 129,820,577.53/x - Step 3: Cross multiply
234,235,780.15x = 323,245,380.09 × 129,820,577.53 - Step 4: Simplify right side
234,235,780.15x = 41,963,901,924,922,832 - Step 5: Solve for x
x = 41,963,901,924,922,832/234,235,780.15 - Step 6: Final answer
x = 179,152,398.91
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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.