Finding the Fourth Proportional to 103,192,316.74, 154,793,898.87 and 26,515,863.46
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Solution
The fourth proportional to 103,192,316.74, 154,793,898.87 and 26,515,863.46 is: 39,775,188.86
Step by Step Solution
- Step 1: Write the proportion equation
103,192,316.74 : 154,793,898.87 = 26,515,863.46 : x - Step 2: Convert to fraction form
103,192,316.74/154,793,898.87 = 26,515,863.46/x - Step 3: Cross multiply
103,192,316.74x = 154,793,898.87 × 26,515,863.46 - Step 4: Simplify right side
103,192,316.74x = 4,104,493,886,877,968.50 - Step 5: Solve for x
x = 4,104,493,886,877,968.50/103,192,316.74 - Step 6: Final answer
x = 39,775,188.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.