Finding the Fourth Proportional to 38,257,994.52, 57,143,166.12 and 34,609,110.84
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Solution
The fourth proportional to 38,257,994.52, 57,143,166.12 and 34,609,110.84 is: 51,693,095.65
Step by Step Solution
- Step 1: Write the proportion equation
38,257,994.52 : 57,143,166.12 = 34,609,110.84 : x - Step 2: Convert to fraction form
38,257,994.52/57,143,166.12 = 34,609,110.84/x - Step 3: Cross multiply
38,257,994.52x = 57,143,166.12 × 34,609,110.84 - Step 4: Simplify right side
38,257,994.52x = 1,977,674,169,995,612.75 - Step 5: Solve for x
x = 1,977,674,169,995,612.75/38,257,994.52 - Step 6: Final answer
x = 51,693,095.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.