Finding the Fourth Proportional to 48,558,357.10, 72,775,534.20 and 19,771,969.60
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Solution
The fourth proportional to 48,558,357.10, 72,775,534.20 and 19,771,969.60 is: 29,632,708.68
Step by Step Solution
- Step 1: Write the proportion equation
48,558,357.10 : 72,775,534.20 = 19,771,969.60 : x - Step 2: Convert to fraction form
48,558,357.10/72,775,534.20 = 19,771,969.60/x - Step 3: Cross multiply
48,558,357.10x = 72,775,534.20 × 19,771,969.60 - Step 4: Simplify right side
48,558,357.10x = 1,438,915,649,826,160.50 - Step 5: Solve for x
x = 1,438,915,649,826,160.50/48,558,357.10 - Step 6: Final answer
x = 29,632,708.68
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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.