Finding the Fourth Proportional to 199,331,283.70, 298,996,925.55 and 145,583,571.70
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Solution
The fourth proportional to 199,331,283.70, 298,996,925.55 and 145,583,571.70 is: 218,375,357.55
Step by Step Solution
- Step 1: Write the proportion equation
199,331,283.70 : 298,996,925.55 = 145,583,571.70 : x - Step 2: Convert to fraction form
199,331,283.70/298,996,925.55 = 145,583,571.70/x - Step 3: Cross multiply
199,331,283.70x = 298,996,925.55 × 145,583,571.70 - Step 4: Simplify right side
199,331,283.70x = 43,529,040,348,887,984 - Step 5: Solve for x
x = 43,529,040,348,887,984/199,331,283.70 - Step 6: Final answer
x = 218,375,357.55
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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.