Finding the Fourth Proportional to 71,800,462.08, 107,640,740.16 and 33,442,231.68
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Solution
The fourth proportional to 71,800,462.08, 107,640,740.16 and 33,442,231.68 is: 50,135,423.45
Step by Step Solution
- Step 1: Write the proportion equation
71,800,462.08 : 107,640,740.16 = 33,442,231.68 : x - Step 2: Convert to fraction form
71,800,462.08/107,640,740.16 = 33,442,231.68/x - Step 3: Cross multiply
71,800,462.08x = 107,640,740.16 × 33,442,231.68 - Step 4: Simplify right side
71,800,462.08x = 3,599,746,570,637,400 - Step 5: Solve for x
x = 3,599,746,570,637,400/71,800,462.08 - Step 6: Final answer
x = 50,135,423.45
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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.