Finding the Fourth Proportional to 47,910,769.21, 66,116,863.45 and 25,884,268.55
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Solution
The fourth proportional to 47,910,769.21, 66,116,863.45 and 25,884,268.55 is: 35,720,291.65
Step by Step Solution
- Step 1: Write the proportion equation
47,910,769.21 : 66,116,863.45 = 25,884,268.55 : x - Step 2: Convert to fraction form
47,910,769.21/66,116,863.45 = 25,884,268.55/x - Step 3: Cross multiply
47,910,769.21x = 66,116,863.45 × 25,884,268.55 - Step 4: Simplify right side
47,910,769.21x = 1,711,386,649,545,096.25 - Step 5: Solve for x
x = 1,711,386,649,545,096.25/47,910,769.21 - Step 6: Final answer
x = 35,720,291.65
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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.