Finding the Fourth Proportional to 132,809,189.24, 183,276,925.71 and 74,075,640.07
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Solution
The fourth proportional to 132,809,189.24, 183,276,925.71 and 74,075,640.07 is: 102,224,519.70
Step by Step Solution
- Step 1: Write the proportion equation
132,809,189.24 : 183,276,925.71 = 74,075,640.07 : x - Step 2: Convert to fraction form
132,809,189.24/183,276,925.71 = 74,075,640.07/x - Step 3: Cross multiply
132,809,189.24x = 183,276,925.71 × 74,075,640.07 - Step 4: Simplify right side
132,809,189.24x = 13,576,355,581,659,710 - Step 5: Solve for x
x = 13,576,355,581,659,710/132,809,189.24 - Step 6: Final answer
x = 102,224,519.70
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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.