Finding the Fourth Proportional to 89,530,742.40, 134,296,113.60 and 62,320,963.20
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Solution
The fourth proportional to 89,530,742.40, 134,296,113.60 and 62,320,963.20 is: 93,481,444.80
Step by Step Solution
- Step 1: Write the proportion equation
89,530,742.40 : 134,296,113.60 = 62,320,963.20 : x - Step 2: Convert to fraction form
89,530,742.40/134,296,113.60 = 62,320,963.20/x - Step 3: Cross multiply
89,530,742.40x = 134,296,113.60 × 62,320,963.20 - Step 4: Simplify right side
89,530,742.40x = 8,369,463,153,568,620 - Step 5: Solve for x
x = 8,369,463,153,568,620/89,530,742.40 - Step 6: Final answer
x = 93,481,444.80
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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.