Finding the Fourth Proportional to 73,207,192.85, 101,026,117.97 and 39,716,670.17
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Solution
The fourth proportional to 73,207,192.85, 101,026,117.97 and 39,716,670.17 is: 54,809,108.91
Step by Step Solution
- Step 1: Write the proportion equation
73,207,192.85 : 101,026,117.97 = 39,716,670.17 : x - Step 2: Convert to fraction form
73,207,192.85/101,026,117.97 = 39,716,670.17/x - Step 3: Cross multiply
73,207,192.85x = 101,026,117.97 × 39,716,670.17 - Step 4: Simplify right side
73,207,192.85x = 4,012,421,006,321,856.50 - Step 5: Solve for x
x = 4,012,421,006,321,856.50/73,207,192.85 - Step 6: Final answer
x = 54,809,108.91
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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.