Finding the Fourth Proportional to 65,078,246.21, 89,635,580.30 and 48,505,258.62
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Solution
The fourth proportional to 65,078,246.21, 89,635,580.30 and 48,505,258.62 is: 66,808,761.11
Step by Step Solution
- Step 1: Write the proportion equation
65,078,246.21 : 89,635,580.30 = 48,505,258.62 : x - Step 2: Convert to fraction form
65,078,246.21/89,635,580.30 = 48,505,258.62/x - Step 3: Cross multiply
65,078,246.21x = 89,635,580.30 × 48,505,258.62 - Step 4: Simplify right side
65,078,246.21x = 4,347,797,004,126,540 - Step 5: Solve for x
x = 4,347,797,004,126,540/65,078,246.21 - Step 6: Final answer
x = 66,808,761.11
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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.