Finding the Fourth Proportional to 107,313,403.20, 160,970,104.80 and 107,313,403.20
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Solution
The fourth proportional to 107,313,403.20, 160,970,104.80 and 107,313,403.20 is: 160,970,104.80
Step by Step Solution
- Step 1: Write the proportion equation
107,313,403.20 : 160,970,104.80 = 107,313,403.20 : x - Step 2: Convert to fraction form
107,313,403.20/160,970,104.80 = 107,313,403.20/x - Step 3: Cross multiply
107,313,403.20x = 160,970,104.80 × 107,313,403.20 - Step 4: Simplify right side
107,313,403.20x = 17,274,249,759,548,658 - Step 5: Solve for x
x = 17,274,249,759,548,658/107,313,403.20 - Step 6: Final answer
x = 160,970,104.80
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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.