Finding the Fourth Proportional to 53,332,352.80, 73,604,619.84 and 30,128,974.43
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Solution
The fourth proportional to 53,332,352.80, 73,604,619.84 and 30,128,974.43 is: 41,581,359.03
Step by Step Solution
- Step 1: Write the proportion equation
53,332,352.80 : 73,604,619.84 = 30,128,974.43 : x - Step 2: Convert to fraction form
53,332,352.80/73,604,619.84 = 30,128,974.43/x - Step 3: Cross multiply
53,332,352.80x = 73,604,619.84 × 30,128,974.43 - Step 4: Simplify right side
53,332,352.80x = 2,217,631,709,304,630.75 - Step 5: Solve for x
x = 2,217,631,709,304,630.75/53,332,352.80 - Step 6: Final answer
x = 41,581,359.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.