Finding the Fourth Proportional to 153,915,378.24, 230,876,011.20 and 50,284,869.12
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Solution
The fourth proportional to 153,915,378.24, 230,876,011.20 and 50,284,869.12 is: 75,428,265.45
Step by Step Solution
- Step 1: Write the proportion equation
153,915,378.24 : 230,876,011.20 = 50,284,869.12 : x - Step 2: Convert to fraction form
153,915,378.24/230,876,011.20 = 50,284,869.12/x - Step 3: Cross multiply
153,915,378.24x = 230,876,011.20 × 50,284,869.12 - Step 4: Simplify right side
153,915,378.24x = 11,609,570,006,139,652 - Step 5: Solve for x
x = 11,609,570,006,139,652/153,915,378.24 - Step 6: Final answer
x = 75,428,265.45
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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.