Finding the Fourth Proportional to 57,282,229.07, 79,049,471.73 and 31,176,934.07
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Solution
The fourth proportional to 57,282,229.07, 79,049,471.73 and 31,176,934.07 is: 43,024,166.63
Step by Step Solution
- Step 1: Write the proportion equation
57,282,229.07 : 79,049,471.73 = 31,176,934.07 : x - Step 2: Convert to fraction form
57,282,229.07/79,049,471.73 = 31,176,934.07/x - Step 3: Cross multiply
57,282,229.07x = 79,049,471.73 × 31,176,934.07 - Step 4: Simplify right side
57,282,229.07x = 2,464,520,168,238,654 - Step 5: Solve for x
x = 2,464,520,168,238,654/57,282,229.07 - Step 6: Final answer
x = 43,024,166.63
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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.