Finding the Fourth Proportional to 199,586,426.40, 299,379,639.60 and 97,416,007.20
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Solution
The fourth proportional to 199,586,426.40, 299,379,639.60 and 97,416,007.20 is: 146,124,010.80
Step by Step Solution
- Step 1: Write the proportion equation
199,586,426.40 : 299,379,639.60 = 97,416,007.20 : x - Step 2: Convert to fraction form
199,586,426.40/299,379,639.60 = 97,416,007.20/x - Step 3: Cross multiply
199,586,426.40x = 299,379,639.60 × 97,416,007.20 - Step 4: Simplify right side
199,586,426.40x = 29,164,369,126,807,008 - Step 5: Solve for x
x = 29,164,369,126,807,008/199,586,426.40 - Step 6: Final answer
x = 146,124,010.80
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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.