Finding the Fourth Proportional to 313,827,170.05, 432,901,153.61 and 196,148,270.53
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Solution
The fourth proportional to 313,827,170.05, 432,901,153.61 and 196,148,270.53 is: 270,571,896.55
Step by Step Solution
- Step 1: Write the proportion equation
313,827,170.05 : 432,901,153.61 = 196,148,270.53 : x - Step 2: Convert to fraction form
313,827,170.05/432,901,153.61 = 196,148,270.53/x - Step 3: Cross multiply
313,827,170.05x = 432,901,153.61 × 196,148,270.53 - Step 4: Simplify right side
313,827,170.05x = 84,912,812,588,980,384 - Step 5: Solve for x
x = 84,912,812,588,980,384/313,827,170.05 - Step 6: Final answer
x = 270,571,896.55
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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.