Finding the Fourth Proportional to 61,792,051.80, 85,277,025.36 and 34,289,979.96
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Solution
The fourth proportional to 61,792,051.80, 85,277,025.36 and 34,289,979.96 is: 47,322,388.65
Step by Step Solution
- Step 1: Write the proportion equation
61,792,051.80 : 85,277,025.36 = 34,289,979.96 : x - Step 2: Convert to fraction form
61,792,051.80/85,277,025.36 = 34,289,979.96/x - Step 3: Cross multiply
61,792,051.80x = 85,277,025.36 × 34,289,979.96 - Step 4: Simplify right side
61,792,051.80x = 2,924,147,490,642,812 - Step 5: Solve for x
x = 2,924,147,490,642,812/61,792,051.80 - Step 6: Final answer
x = 47,322,388.65
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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.