Finding the Fourth Proportional to 66,080,441.74, 91,185,671.09 and 38,204,948.34
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Solution
The fourth proportional to 66,080,441.74, 91,185,671.09 and 38,204,948.34 is: 52,719,742.20
Step by Step Solution
- Step 1: Write the proportion equation
66,080,441.74 : 91,185,671.09 = 38,204,948.34 : x - Step 2: Convert to fraction form
66,080,441.74/91,185,671.09 = 38,204,948.34/x - Step 3: Cross multiply
66,080,441.74x = 91,185,671.09 × 38,204,948.34 - Step 4: Simplify right side
66,080,441.74x = 3,483,743,853,180,688.50 - Step 5: Solve for x
x = 3,483,743,853,180,688.50/66,080,441.74 - Step 6: Final answer
x = 52,719,742.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.