Finding the Fourth Proportional to 217,307,110.70, 325,960,666.05 and 131,001,092.30
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Solution
The fourth proportional to 217,307,110.70, 325,960,666.05 and 131,001,092.30 is: 196,501,638.45
Step by Step Solution
- Step 1: Write the proportion equation
217,307,110.70 : 325,960,666.05 = 131,001,092.30 : x - Step 2: Convert to fraction form
217,307,110.70/325,960,666.05 = 131,001,092.30/x - Step 3: Cross multiply
217,307,110.70x = 325,960,666.05 × 131,001,092.30 - Step 4: Simplify right side
217,307,110.70x = 42,701,203,299,385,528 - Step 5: Solve for x
x = 42,701,203,299,385,528/217,307,110.70 - Step 6: Final answer
x = 196,501,638.45
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1.5x scale
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.