Finding the Fourth Proportional to 202,423,756.40, 303,635,634.60 and 125,896,252.40
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Solution
The fourth proportional to 202,423,756.40, 303,635,634.60 and 125,896,252.40 is: 188,844,378.60
Step by Step Solution
- Step 1: Write the proportion equation
202,423,756.40 : 303,635,634.60 = 125,896,252.40 : x - Step 2: Convert to fraction form
202,423,756.40/303,635,634.60 = 125,896,252.40/x - Step 3: Cross multiply
202,423,756.40x = 303,635,634.60 × 125,896,252.40 - Step 4: Simplify right side
202,423,756.40x = 38,226,588,491,235,776 - Step 5: Solve for x
x = 38,226,588,491,235,776/202,423,756.40 - Step 6: Final answer
x = 188,844,378.60
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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.