Finding the Fourth Proportional to 60,991,715.44, 84,168,567.74 and 33,489,643.68
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Solution
The fourth proportional to 60,991,715.44, 84,168,567.74 and 33,489,643.68 is: 46,215,708.52
Step by Step Solution
- Step 1: Write the proportion equation
60,991,715.44 : 84,168,567.74 = 33,489,643.68 : x - Step 2: Convert to fraction form
60,991,715.44/84,168,567.74 = 33,489,643.68/x - Step 3: Cross multiply
60,991,715.44x = 84,168,567.74 × 33,489,643.68 - Step 4: Simplify right side
60,991,715.44x = 2,818,775,342,668,542.50 - Step 5: Solve for x
x = 2,818,775,342,668,542.50/60,991,715.44 - Step 6: Final answer
x = 46,215,708.52
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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.