Finding the Fourth Proportional to 51,076,707.48, 70,487,351.75 and 27,873,330.03
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Solution
The fourth proportional to 51,076,707.48, 70,487,351.75 and 27,873,330.03 is: 38,466,011.52
Step by Step Solution
- Step 1: Write the proportion equation
51,076,707.48 : 70,487,351.75 = 27,873,330.03 : x - Step 2: Convert to fraction form
51,076,707.48/70,487,351.75 = 27,873,330.03/x - Step 3: Cross multiply
51,076,707.48x = 70,487,351.75 × 27,873,330.03 - Step 4: Simplify right side
51,076,707.48x = 1,964,717,218,268,448.25 - Step 5: Solve for x
x = 1,964,717,218,268,448.25/51,076,707.48 - Step 6: Final answer
x = 38,466,011.52
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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.