Finding the Fourth Proportional to 173,877,375.54, 239,953,578.96 and 99,537,636.99
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Solution
The fourth proportional to 173,877,375.54, 239,953,578.96 and 99,537,636.99 is: 137,363,542.34
Step by Step Solution
- Step 1: Write the proportion equation
173,877,375.54 : 239,953,578.96 = 99,537,636.99 : x - Step 2: Convert to fraction form
173,877,375.54/239,953,578.96 = 99,537,636.99/x - Step 3: Cross multiply
173,877,375.54x = 239,953,578.96 × 99,537,636.99 - Step 4: Simplify right side
173,877,375.54x = 23,884,412,236,971,780 - Step 5: Solve for x
x = 23,884,412,236,971,780/173,877,375.54 - Step 6: Final answer
x = 137,363,542.34
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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.