Finding the Fourth Proportional to 57,125,182.96, 85,687,587.60 and 20,733,524.84
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Solution
The fourth proportional to 57,125,182.96, 85,687,587.60 and 20,733,524.84 is: 31,100,219.45
Step by Step Solution
- Step 1: Write the proportion equation
57,125,182.96 : 85,687,587.60 = 20,733,524.84 : x - Step 2: Convert to fraction form
57,125,182.96/85,687,587.60 = 20,733,524.84/x - Step 3: Cross multiply
57,125,182.96x = 85,687,587.60 × 20,733,524.84 - Step 4: Simplify right side
57,125,182.96x = 1,776,605,725,984,275.75 - Step 5: Solve for x
x = 1,776,605,725,984,275.75/57,125,182.96 - Step 6: Final answer
x = 31,100,219.45
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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.