Finding the Fourth Proportional to 252,928,861.74, 348,934,948.99 and 169,323,928.52
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Solution
The fourth proportional to 252,928,861.74, 348,934,948.99 and 169,323,928.52 is: 233,595,470.09
Step by Step Solution
- Step 1: Write the proportion equation
252,928,861.74 : 348,934,948.99 = 169,323,928.52 : x - Step 2: Convert to fraction form
252,928,861.74/348,934,948.99 = 169,323,928.52/x - Step 3: Cross multiply
252,928,861.74x = 348,934,948.99 × 169,323,928.52 - Step 4: Simplify right side
252,928,861.74x = 59,083,036,358,744,616 - Step 5: Solve for x
x = 59,083,036,358,744,616/252,928,861.74 - Step 6: Final answer
x = 233,595,470.09
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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.