Finding the Fourth Proportional to 73,977,406.97, 111,009,948.19 and 41,215,397.99
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Solution
The fourth proportional to 73,977,406.97, 111,009,948.19 and 41,215,397.99 is: 61,847,520.51
Step by Step Solution
- Step 1: Write the proportion equation
73,977,406.97 : 111,009,948.19 = 41,215,397.99 : x - Step 2: Convert to fraction form
73,977,406.97/111,009,948.19 = 41,215,397.99/x - Step 3: Cross multiply
73,977,406.97x = 111,009,948.19 × 41,215,397.99 - Step 4: Simplify right side
73,977,406.97x = 4,575,319,194,842,042 - Step 5: Solve for x
x = 4,575,319,194,842,042/73,977,406.97 - Step 6: Final answer
x = 61,847,520.51
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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.