Finding the Fourth Proportional to 196,731,246.05, 271,490,432.07 and 107,423,810.37
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Solution
The fourth proportional to 196,731,246.05, 271,490,432.07 and 107,423,810.37 is: 148,245,575.01
Step by Step Solution
- Step 1: Write the proportion equation
196,731,246.05 : 271,490,432.07 = 107,423,810.37 : x - Step 2: Convert to fraction form
196,731,246.05/271,490,432.07 = 107,423,810.37/x - Step 3: Cross multiply
196,731,246.05x = 271,490,432.07 × 107,423,810.37 - Step 4: Simplify right side
196,731,246.05x = 29,164,536,691,957,048 - Step 5: Solve for x
x = 29,164,536,691,957,048/196,731,246.05 - Step 6: Final answer
x = 148,245,575.01
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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.