Finding the Fourth Proportional to 229,578,988.23, 344,567,474.06 and 120,481,236.81
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Solution
The fourth proportional to 229,578,988.23, 344,567,474.06 and 120,481,236.81 is: 180,826,284.49
Step by Step Solution
- Step 1: Write the proportion equation
229,578,988.23 : 344,567,474.06 = 120,481,236.81 : x - Step 2: Convert to fraction form
229,578,988.23/344,567,474.06 = 120,481,236.81/x - Step 3: Cross multiply
229,578,988.23x = 344,567,474.06 × 120,481,236.81 - Step 4: Simplify right side
229,578,988.23x = 41,513,915,438,643,984 - Step 5: Solve for x
x = 41,513,915,438,643,984/229,578,988.23 - Step 6: Final answer
x = 180,826,284.49
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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.