Finding the Fourth Proportional to 261,087,459.02, 360,817,431.82 and 213,970,232.12
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Solution
The fourth proportional to 261,087,459.02, 360,817,431.82 and 213,970,232.12 is: 295,702,405.35
Step by Step Solution
- Step 1: Write the proportion equation
261,087,459.02 : 360,817,431.82 = 213,970,232.12 : x - Step 2: Convert to fraction form
261,087,459.02/360,817,431.82 = 213,970,232.12/x - Step 3: Cross multiply
261,087,459.02x = 360,817,431.82 × 213,970,232.12 - Step 4: Simplify right side
261,087,459.02x = 77,204,189,639,467,680 - Step 5: Solve for x
x = 77,204,189,639,467,680/261,087,459.02 - Step 6: Final answer
x = 295,702,405.35
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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.