Finding the Fourth Proportional to 62,784,356.20, 94,176,534.30 and 54,274,301.80
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Solution
The fourth proportional to 62,784,356.20, 94,176,534.30 and 54,274,301.80 is: 81,411,452.70
Step by Step Solution
- Step 1: Write the proportion equation
62,784,356.20 : 94,176,534.30 = 54,274,301.80 : x - Step 2: Convert to fraction form
62,784,356.20/94,176,534.30 = 54,274,301.80/x - Step 3: Cross multiply
62,784,356.20x = 94,176,534.30 × 54,274,301.80 - Step 4: Simplify right side
62,784,356.20x = 5,111,365,645,076,251 - Step 5: Solve for x
x = 5,111,365,645,076,251/62,784,356.20 - Step 6: Final answer
x = 81,411,452.70
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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.