Finding the Fourth Proportional to 142,965,392.06, 214,412,658.68 and 40,730,315.42
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Solution
The fourth proportional to 142,965,392.06, 214,412,658.68 and 40,730,315.42 is: 61,085,379.42
Step by Step Solution
- Step 1: Write the proportion equation
142,965,392.06 : 214,412,658.68 = 40,730,315.42 : x - Step 2: Convert to fraction form
142,965,392.06/214,412,658.68 = 40,730,315.42/x - Step 3: Cross multiply
142,965,392.06x = 214,412,658.68 × 40,730,315.42 - Step 4: Simplify right side
142,965,392.06x = 8,733,095,218,077,202 - Step 5: Solve for x
x = 8,733,095,218,077,202/142,965,392.06 - Step 6: Final answer
x = 61,085,379.42
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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.