Finding the Fourth Proportional to 75,911,658.48, 113,843,897.28 and 27,383,207.40
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Solution
The fourth proportional to 75,911,658.48, 113,843,897.28 and 27,383,207.40 is: 41,066,301.45
Step by Step Solution
- Step 1: Write the proportion equation
75,911,658.48 : 113,843,897.28 = 27,383,207.40 : x - Step 2: Convert to fraction form
75,911,658.48/113,843,897.28 = 27,383,207.40/x - Step 3: Cross multiply
75,911,658.48x = 113,843,897.28 × 27,383,207.40 - Step 4: Simplify right side
75,911,658.48x = 3,117,411,050,442,535.50 - Step 5: Solve for x
x = 3,117,411,050,442,535.50/75,911,658.48 - Step 6: Final answer
x = 41,066,301.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.