Finding the Fourth Proportional to 223,971,415.20, 335,957,122.80 and 185,707,663.20
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Solution
The fourth proportional to 223,971,415.20, 335,957,122.80 and 185,707,663.20 is: 278,561,494.80
Step by Step Solution
- Step 1: Write the proportion equation
223,971,415.20 : 335,957,122.80 = 185,707,663.20 : x - Step 2: Convert to fraction form
223,971,415.20/335,957,122.80 = 185,707,663.20/x - Step 3: Cross multiply
223,971,415.20x = 335,957,122.80 × 185,707,663.20 - Step 4: Simplify right side
223,971,415.20x = 62,389,812,210,583,440 - Step 5: Solve for x
x = 62,389,812,210,583,440/223,971,415.20 - Step 6: Final answer
x = 278,561,494.80
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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.