Finding the Fourth Proportional to 43,330,319.87, 59,760,975.12 and 38,092,128.08
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Solution
The fourth proportional to 43,330,319.87, 59,760,975.12 and 38,092,128.08 is: 52,536,485.43
Step by Step Solution
- Step 1: Write the proportion equation
43,330,319.87 : 59,760,975.12 = 38,092,128.08 : x - Step 2: Convert to fraction form
43,330,319.87/59,760,975.12 = 38,092,128.08/x - Step 3: Cross multiply
43,330,319.87x = 59,760,975.12 × 38,092,128.08 - Step 4: Simplify right side
43,330,319.87x = 2,276,422,718,456,733 - Step 5: Solve for x
x = 2,276,422,718,456,733/43,330,319.87 - Step 6: Final answer
x = 52,536,485.43
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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.