Finding the Fourth Proportional to 80,022,260.17, 110,430,831.09 and 43,352,831.17
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Solution
The fourth proportional to 80,022,260.17, 110,430,831.09 and 43,352,831.17 is: 59,826,967.72
Step by Step Solution
- Step 1: Write the proportion equation
80,022,260.17 : 110,430,831.09 = 43,352,831.17 : x - Step 2: Convert to fraction form
80,022,260.17/110,430,831.09 = 43,352,831.17/x - Step 3: Cross multiply
80,022,260.17x = 110,430,831.09 × 43,352,831.17 - Step 4: Simplify right side
80,022,260.17x = 4,787,489,176,207,557 - Step 5: Solve for x
x = 4,787,489,176,207,557/80,022,260.17 - Step 6: Final answer
x = 59,826,967.72
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1.5x scale
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.