Finding the Fourth Proportional to 88,080,831.20, 132,121,246.80 and 88,080,831.20
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Solution
The fourth proportional to 88,080,831.20, 132,121,246.80 and 88,080,831.20 is: 132,121,246.80
Step by Step Solution
- Step 1: Write the proportion equation
88,080,831.20 : 132,121,246.80 = 88,080,831.20 : x - Step 2: Convert to fraction form
88,080,831.20/132,121,246.80 = 88,080,831.20/x - Step 3: Cross multiply
88,080,831.20x = 132,121,246.80 × 88,080,831.20 - Step 4: Simplify right side
88,080,831.20x = 11,637,349,237,324,340 - Step 5: Solve for x
x = 11,637,349,237,324,340/88,080,831.20 - Step 6: Final answer
x = 132,121,246.80
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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.