Finding the Fourth Proportional to 137,674,490.40, 206,033,438.70 and 126,195,364.80
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Solution
The fourth proportional to 137,674,490.40, 206,033,438.70 and 126,195,364.80 is: 188,854,630.09
Step by Step Solution
- Step 1: Write the proportion equation
137,674,490.40 : 206,033,438.70 = 126,195,364.80 : x - Step 2: Convert to fraction form
137,674,490.40/206,033,438.70 = 126,195,364.80/x - Step 3: Cross multiply
137,674,490.40x = 206,033,438.70 × 126,195,364.80 - Step 4: Simplify right side
137,674,490.40x = 26,000,464,957,744,936 - Step 5: Solve for x
x = 26,000,464,957,744,936/137,674,490.40 - Step 6: Final answer
x = 188,854,630.09
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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.