Finding the Fourth Proportional to 90,191,033.80, 135,286,550.70 and 44,841,401.80
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Solution
The fourth proportional to 90,191,033.80, 135,286,550.70 and 44,841,401.80 is: 67,262,102.70
Step by Step Solution
- Step 1: Write the proportion equation
90,191,033.80 : 135,286,550.70 = 44,841,401.80 : x - Step 2: Convert to fraction form
90,191,033.80/135,286,550.70 = 44,841,401.80/x - Step 3: Cross multiply
90,191,033.80x = 135,286,550.70 × 44,841,401.80 - Step 4: Simplify right side
90,191,033.80x = 6,066,438,578,074,770 - Step 5: Solve for x
x = 6,066,438,578,074,770/90,191,033.80 - Step 6: Final answer
x = 67,262,102.70
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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.