Finding the Fourth Proportional to 235,482,318.96, 324,959,864.82 and 129,634,873.98
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Solution
The fourth proportional to 235,482,318.96, 324,959,864.82 and 129,634,873.98 is: 178,892,968.74
Step by Step Solution
- Step 1: Write the proportion equation
235,482,318.96 : 324,959,864.82 = 129,634,873.98 : x - Step 2: Convert to fraction form
235,482,318.96/324,959,864.82 = 129,634,873.98/x - Step 3: Cross multiply
235,482,318.96x = 324,959,864.82 × 129,634,873.98 - Step 4: Simplify right side
235,482,318.96x = 42,126,131,124,498,536 - Step 5: Solve for x
x = 42,126,131,124,498,536/235,482,318.96 - Step 6: Final answer
x = 178,892,968.74
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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.