Finding the Fourth Proportional to 77,295,514.82, 106,668,031.70 and 44,256,270.74
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Solution
The fourth proportional to 77,295,514.82, 106,668,031.70 and 44,256,270.74 is: 61,073,780.30
Step by Step Solution
- Step 1: Write the proportion equation
77,295,514.82 : 106,668,031.70 = 44,256,270.74 : x - Step 2: Convert to fraction form
77,295,514.82/106,668,031.70 = 44,256,270.74/x - Step 3: Cross multiply
77,295,514.82x = 106,668,031.70 × 44,256,270.74 - Step 4: Simplify right side
77,295,514.82x = 4,720,729,289,996,821 - Step 5: Solve for x
x = 4,720,729,289,996,821/77,295,514.82 - Step 6: Final answer
x = 61,073,780.30
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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.