Finding the Fourth Proportional to 239,508,121.96, 330,519,284.90 and 139,045,881.96
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Solution
The fourth proportional to 239,508,121.96, 330,519,284.90 and 139,045,881.96 is: 191,882,200.48
Step by Step Solution
- Step 1: Write the proportion equation
239,508,121.96 : 330,519,284.90 = 139,045,881.96 : x - Step 2: Convert to fraction form
239,508,121.96/330,519,284.90 = 139,045,881.96/x - Step 3: Cross multiply
239,508,121.96x = 330,519,284.90 × 139,045,881.96 - Step 4: Simplify right side
239,508,121.96x = 45,957,345,473,709,008 - Step 5: Solve for x
x = 45,957,345,473,709,008/239,508,121.96 - Step 6: Final answer
x = 191,882,200.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.