Finding the Fourth Proportional to 135,359,123.49, 203,046,558.44 and 38,306,711.97
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Solution
The fourth proportional to 135,359,123.49, 203,046,558.44 and 38,306,711.97 is: 57,462,296.08
Step by Step Solution
- Step 1: Write the proportion equation
135,359,123.49 : 203,046,558.44 = 38,306,711.97 : x - Step 2: Convert to fraction form
135,359,123.49/203,046,558.44 = 38,306,711.97/x - Step 3: Cross multiply
135,359,123.49x = 203,046,558.44 × 38,306,711.97 - Step 4: Simplify right side
135,359,123.49x = 7,778,046,030,469,319 - Step 5: Solve for x
x = 7,778,046,030,469,319/135,359,123.49 - Step 6: Final answer
x = 57,462,296.08
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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.