Finding the Fourth Proportional to 215,998,663, 324,031,651.66 and 70,398,444.68
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Solution
The fourth proportional to 215,998,663, 324,031,651.66 and 70,398,444.68 is: 105,608,636.59
Step by Step Solution
- Step 1: Write the proportion equation
215,998,663 : 324,031,651.66 = 70,398,444.68 : x - Step 2: Convert to fraction form
215,998,663/324,031,651.66 = 70,398,444.68/x - Step 3: Cross multiply
215,998,663x = 324,031,651.66 × 70,398,444.68 - Step 4: Simplify right side
215,998,663x = 22,811,324,303,955,544 - Step 5: Solve for x
x = 22,811,324,303,955,544/215,998,663 - Step 6: Final answer
x = 105,608,636.59
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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.