Finding the Fourth Proportional to 313,622,217.90, 432,780,884.28 and 174,389,990.31
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Solution
The fourth proportional to 313,622,217.90, 432,780,884.28 and 174,389,990.31 is: 240,648,302.03
Step by Step Solution
- Step 1: Write the proportion equation
313,622,217.90 : 432,780,884.28 = 174,389,990.31 : x - Step 2: Convert to fraction form
313,622,217.90/432,780,884.28 = 174,389,990.31/x - Step 3: Cross multiply
313,622,217.90x = 432,780,884.28 × 174,389,990.31 - Step 4: Simplify right side
313,622,217.90x = 75,472,654,215,942,432 - Step 5: Solve for x
x = 75,472,654,215,942,432/313,622,217.90 - Step 6: Final answer
x = 240,648,302.03
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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.