Finding the Fourth Proportional to 75,676,610,721.21, 104,384,514,918.55 and 48,536,897,449.67
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Solution
The fourth proportional to 75,676,610,721.21, 104,384,514,918.55 and 48,536,897,449.67 is: 66,949,357,901.35
Step by Step Solution
- Step 1: Write the proportion equation
75,676,610,721.21 : 104,384,514,918.55 = 48,536,897,449.67 : x - Step 2: Convert to fraction form
75,676,610,721.21/104,384,514,918.55 = 48,536,897,449.67/x - Step 3: Cross multiply
75,676,610,721.21x = 104,384,514,918.55 × 48,536,897,449.67 - Step 4: Simplify right side
75,676,610,721.21x = 5,066,500,495,935,522,471,936 - Step 5: Solve for x
x = 5,066,500,495,935,522,471,936/75,676,610,721.21 - Step 6: Final answer
x = 66,949,357,901.35
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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.