Finding the Fourth Proportional to 57,595,354.84, 79,482,343.56 and 31,489,902.96
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Solution
The fourth proportional to 57,595,354.84, 79,482,343.56 and 31,489,902.96 is: 43,456,478.26
Step by Step Solution
- Step 1: Write the proportion equation
57,595,354.84 : 79,482,343.56 = 31,489,902.96 : x - Step 2: Convert to fraction form
57,595,354.84/79,482,343.56 = 31,489,902.96/x - Step 3: Cross multiply
57,595,354.84x = 79,482,343.56 × 31,489,902.96 - Step 4: Simplify right side
57,595,354.84x = 2,502,891,285,737,781 - Step 5: Solve for x
x = 2,502,891,285,737,781/57,595,354.84 - Step 6: Final answer
x = 43,456,478.26
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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.