Finding the Fourth Proportional to 215,675,566.40, 323,513,349.60 and 134,046,228.80
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Solution
The fourth proportional to 215,675,566.40, 323,513,349.60 and 134,046,228.80 is: 201,069,343.20
Step by Step Solution
- Step 1: Write the proportion equation
215,675,566.40 : 323,513,349.60 = 134,046,228.80 : x - Step 2: Convert to fraction form
215,675,566.40/323,513,349.60 = 134,046,228.80/x - Step 3: Cross multiply
215,675,566.40x = 323,513,349.60 × 134,046,228.80 - Step 4: Simplify right side
215,675,566.40x = 43,365,744,480,335,992 - Step 5: Solve for x
x = 43,365,744,480,335,992/215,675,566.40 - Step 6: Final answer
x = 201,069,343.20
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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.