Finding the Fourth Proportional to 151,529,292.24, 209,167,289.28 and 99,321,692.36
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Solution
The fourth proportional to 151,529,292.24, 209,167,289.28 and 99,321,692.36 is: 137,101,208.95
Step by Step Solution
- Step 1: Write the proportion equation
151,529,292.24 : 209,167,289.28 = 99,321,692.36 : x - Step 2: Convert to fraction form
151,529,292.24/209,167,289.28 = 99,321,692.36/x - Step 3: Cross multiply
151,529,292.24x = 209,167,289.28 × 99,321,692.36 - Step 4: Simplify right side
151,529,292.24x = 20,774,849,157,643,284 - Step 5: Solve for x
x = 20,774,849,157,643,284/151,529,292.24 - Step 6: Final answer
x = 137,101,208.95
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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.