Finding the Fourth Proportional to 206,248,475.14, 284,617,215.39 and 113,429,016.70
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Solution
The fourth proportional to 206,248,475.14, 284,617,215.39 and 113,429,016.70 is: 156,528,919.09
Step by Step Solution
- Step 1: Write the proportion equation
206,248,475.14 : 284,617,215.39 = 113,429,016.70 : x - Step 2: Convert to fraction form
206,248,475.14/284,617,215.39 = 113,429,016.70/x - Step 3: Cross multiply
206,248,475.14x = 284,617,215.39 × 113,429,016.70 - Step 4: Simplify right side
206,248,475.14x = 32,283,850,877,579,808 - Step 5: Solve for x
x = 32,283,850,877,579,808/206,248,475.14 - Step 6: Final answer
x = 156,528,919.09
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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.