Finding the Fourth Proportional to 126,609,043.17, 189,910,021.68 and 40,352,625.93
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Solution
The fourth proportional to 126,609,043.17, 189,910,021.68 and 40,352,625.93 is: 60,527,809.65
Step by Step Solution
- Step 1: Write the proportion equation
126,609,043.17 : 189,910,021.68 = 40,352,625.93 : x - Step 2: Convert to fraction form
126,609,043.17/189,910,021.68 = 40,352,625.93/x - Step 3: Cross multiply
126,609,043.17x = 189,910,021.68 × 40,352,625.93 - Step 4: Simplify right side
126,609,043.17x = 7,663,368,065,211,230 - Step 5: Solve for x
x = 7,663,368,065,211,230/126,609,043.17 - Step 6: Final answer
x = 60,527,809.65
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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.