Finding the Fourth Proportional to 66,288,129.20, 99,264,232.20 and 52,851,201.20
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Solution
The fourth proportional to 66,288,129.20, 99,264,232.20 and 52,851,201.20 is: 79,142,886.84
Step by Step Solution
- Step 1: Write the proportion equation
66,288,129.20 : 99,264,232.20 = 52,851,201.20 : x - Step 2: Convert to fraction form
66,288,129.20/99,264,232.20 = 52,851,201.20/x - Step 3: Cross multiply
66,288,129.20x = 99,264,232.20 × 52,851,201.20 - Step 4: Simplify right side
66,288,129.20x = 5,246,233,907,965,719 - Step 5: Solve for x
x = 5,246,233,907,965,719/66,288,129.20 - Step 6: Final answer
x = 79,142,886.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.