Finding the Fourth Proportional to 229,578,990.24, 344,567,477.06 and 120,481,238.82
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Solution
The fourth proportional to 229,578,990.24, 344,567,477.06 and 120,481,238.82 is: 180,826,287.50
Step by Step Solution
- Step 1: Write the proportion equation
229,578,990.24 : 344,567,477.06 = 120,481,238.82 : x - Step 2: Convert to fraction form
229,578,990.24/344,567,477.06 = 120,481,238.82/x - Step 3: Cross multiply
229,578,990.24x = 344,567,477.06 × 120,481,238.82 - Step 4: Simplify right side
229,578,990.24x = 41,513,916,493,270,728 - Step 5: Solve for x
x = 41,513,916,493,270,728/229,578,990.24 - Step 6: Final answer
x = 180,826,287.50
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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.