Finding the Fourth Proportional to 45,452,046.45, 67,929,020.59 and 33,181,848.99
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Solution
The fourth proportional to 45,452,046.45, 67,929,020.59 and 33,181,848.99 is: 49,590,957.49
Step by Step Solution
- Step 1: Write the proportion equation
45,452,046.45 : 67,929,020.59 = 33,181,848.99 : x - Step 2: Convert to fraction form
45,452,046.45/67,929,020.59 = 33,181,848.99/x - Step 3: Cross multiply
45,452,046.45x = 67,929,020.59 × 33,181,848.99 - Step 4: Simplify right side
45,452,046.45x = 2,254,010,503,090,071 - Step 5: Solve for x
x = 2,254,010,503,090,071/45,452,046.45 - Step 6: Final answer
x = 49,590,957.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.