Finding the Fourth Proportional to 81,393,687.91, 112,323,263.61 and 44,726,620.87
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Solution
The fourth proportional to 81,393,687.91, 112,323,263.61 and 44,726,620.87 is: 61,722,722.68
Step by Step Solution
- Step 1: Write the proportion equation
81,393,687.91 : 112,323,263.61 = 44,726,620.87 : x - Step 2: Convert to fraction form
81,393,687.91/112,323,263.61 = 44,726,620.87/x - Step 3: Cross multiply
81,393,687.91x = 112,323,263.61 × 44,726,620.87 - Step 4: Simplify right side
81,393,687.91x = 5,023,840,026,365,537 - Step 5: Solve for x
x = 5,023,840,026,365,537/81,393,687.91 - Step 6: Final answer
x = 61,722,722.68
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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.