Finding the Fourth Proportional to 67,414,252.60, 101,121,378.90 and 66,742,406.20
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Solution
The fourth proportional to 67,414,252.60, 101,121,378.90 and 66,742,406.20 is: 100,113,609.30
Step by Step Solution
- Step 1: Write the proportion equation
67,414,252.60 : 101,121,378.90 = 66,742,406.20 : x - Step 2: Convert to fraction form
67,414,252.60/101,121,378.90 = 66,742,406.20/x - Step 3: Cross multiply
67,414,252.60x = 101,121,378.90 × 66,742,406.20 - Step 4: Simplify right side
67,414,252.60x = 6,749,084,146,047,910 - Step 5: Solve for x
x = 6,749,084,146,047,910/67,414,252.60 - Step 6: Final answer
x = 100,113,609.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.