Finding the Fourth Proportional to 57,387,782.97, 79,194,495.79 and 31,281,728.00
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Solution
The fourth proportional to 57,387,782.97, 79,194,495.79 and 31,281,728.00 is: 43,168,433.21
Step by Step Solution
- Step 1: Write the proportion equation
57,387,782.97 : 79,194,495.79 = 31,281,728.00 : x - Step 2: Convert to fraction form
57,387,782.97/79,194,495.79 = 31,281,728.00/x - Step 3: Cross multiply
57,387,782.97x = 79,194,495.79 × 31,281,728.00 - Step 4: Simplify right side
57,387,782.97x = 2,477,340,676,043,055 - Step 5: Solve for x
x = 2,477,340,676,043,055/57,387,782.97 - Step 6: Final answer
x = 43,168,433.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.