Finding the Fourth Proportional to 137,711,326.10, 206,518,765.80 and 40,641,331.10
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Solution
The fourth proportional to 137,711,326.10, 206,518,765.80 and 40,641,331.10 is: 60,947,764.99
Step by Step Solution
- Step 1: Write the proportion equation
137,711,326.10 : 206,518,765.80 = 40,641,331.10 : x - Step 2: Convert to fraction form
137,711,326.10/206,518,765.80 = 40,641,331.10/x - Step 3: Cross multiply
137,711,326.10x = 206,518,765.80 × 40,641,331.10 - Step 4: Simplify right side
137,711,326.10x = 8,393,197,539,241,157 - Step 5: Solve for x
x = 8,393,197,539,241,157/137,711,326.10 - Step 6: Final answer
x = 60,947,764.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.