Finding the Fourth Proportional to 177,376,143.77, 243,001,257.62 and 170,744,438.06
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Solution
The fourth proportional to 177,376,143.77, 243,001,257.62 and 170,744,438.06 is: 233,915,972.57
Step by Step Solution
- Step 1: Write the proportion equation
177,376,143.77 : 243,001,257.62 = 170,744,438.06 : x - Step 2: Convert to fraction form
177,376,143.77/243,001,257.62 = 170,744,438.06/x - Step 3: Cross multiply
177,376,143.77x = 243,001,257.62 × 170,744,438.06 - Step 4: Simplify right side
177,376,143.77x = 41,491,113,179,522,512 - Step 5: Solve for x
x = 41,491,113,179,522,512/177,376,143.77 - Step 6: Final answer
x = 233,915,972.57
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.