Finding the Fourth Proportional to 311,519,383.65, 430,029,117.72 and 194,102,726.49
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Solution
The fourth proportional to 311,519,383.65, 430,029,117.72 and 194,102,726.49 is: 267,944,239.11
Step by Step Solution
- Step 1: Write the proportion equation
311,519,383.65 : 430,029,117.72 = 194,102,726.49 : x - Step 2: Convert to fraction form
311,519,383.65/430,029,117.72 = 194,102,726.49/x - Step 3: Cross multiply
311,519,383.65x = 430,029,117.72 × 194,102,726.49 - Step 4: Simplify right side
311,519,383.65x = 83,469,824,219,541,184 - Step 5: Solve for x
x = 83,469,824,219,541,184/311,519,383.65 - Step 6: Final answer
x = 267,944,239.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.