Finding the Fourth Proportional to 112,991,597.63, 169,158,146.99 and 83,973,922.59
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Solution
The fourth proportional to 112,991,597.63, 169,158,146.99 and 83,973,922.59 is: 125,716,189.87
Step by Step Solution
- Step 1: Write the proportion equation
112,991,597.63 : 169,158,146.99 = 83,973,922.59 : x - Step 2: Convert to fraction form
112,991,597.63/169,158,146.99 = 83,973,922.59/x - Step 3: Cross multiply
112,991,597.63x = 169,158,146.99 × 83,973,922.59 - Step 4: Simplify right side
112,991,597.63x = 14,204,873,141,020,576 - Step 5: Solve for x
x = 14,204,873,141,020,576/112,991,597.63 - Step 6: Final answer
x = 125,716,189.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.