Finding the Fourth Proportional to 86,259,909.24, 118,836,378.18 and 60,106,974.84
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Solution
The fourth proportional to 86,259,909.24, 118,836,378.18 and 60,106,974.84 is: 82,806,662.52
Step by Step Solution
- Step 1: Write the proportion equation
86,259,909.24 : 118,836,378.18 = 60,106,974.84 : x - Step 2: Convert to fraction form
86,259,909.24/118,836,378.18 = 60,106,974.84/x - Step 3: Cross multiply
86,259,909.24x = 118,836,378.18 × 60,106,974.84 - Step 4: Simplify right side
86,259,909.24x = 7,142,895,193,341,986 - Step 5: Solve for x
x = 7,142,895,193,341,986/86,259,909.24 - Step 6: Final answer
x = 82,806,662.52
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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.