Finding the Fourth Proportional to 61,163,514,997.96, 84,409,892,889.70 and 37,078,551,748.12
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Solution
The fourth proportional to 61,163,514,997.96, 84,409,892,889.70 and 37,078,551,748.12 is: 51,170,973,114.75
Step by Step Solution
- Step 1: Write the proportion equation
61,163,514,997.96 : 84,409,892,889.70 = 37,078,551,748.12 : x - Step 2: Convert to fraction form
61,163,514,997.96/84,409,892,889.70 = 37,078,551,748.12/x - Step 3: Cross multiply
61,163,514,997.96x = 84,409,892,889.70 × 37,078,551,748.12 - Step 4: Simplify right side
61,163,514,997.96x = 3,129,796,581,564,008,103,936 - Step 5: Solve for x
x = 3,129,796,581,564,008,103,936/61,163,514,997.96 - Step 6: Final answer
x = 51,170,973,114.75
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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.