Finding the Fourth Proportional to 47,999,351.30, 66,225,979.40 and 27,365,268.74
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Solution
The fourth proportional to 47,999,351.30, 66,225,979.40 and 27,365,268.74 is: 37,756,587.84
Step by Step Solution
- Step 1: Write the proportion equation
47,999,351.30 : 66,225,979.40 = 27,365,268.74 : x - Step 2: Convert to fraction form
47,999,351.30/66,225,979.40 = 27,365,268.74/x - Step 3: Cross multiply
47,999,351.30x = 66,225,979.40 × 27,365,268.74 - Step 4: Simplify right side
47,999,351.30x = 1,812,291,723,382,747.75 - Step 5: Solve for x
x = 1,812,291,723,382,747.75/47,999,351.30 - Step 6: Final answer
x = 37,756,587.84
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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.