Finding the Fourth Proportional to 199,284,448.60, 298,926,672.90 and 122,358,035.80
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Solution
The fourth proportional to 199,284,448.60, 298,926,672.90 and 122,358,035.80 is: 183,537,053.70
Step by Step Solution
- Step 1: Write the proportion equation
199,284,448.60 : 298,926,672.90 = 122,358,035.80 : x - Step 2: Convert to fraction form
199,284,448.60/298,926,672.90 = 122,358,035.80/x - Step 3: Cross multiply
199,284,448.60x = 298,926,672.90 × 122,358,035.80 - Step 4: Simplify right side
199,284,448.60x = 36,576,080,544,273,088 - Step 5: Solve for x
x = 36,576,080,544,273,088/199,284,448.60 - Step 6: Final answer
x = 183,537,053.70
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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.