Finding the Fourth Proportional to 55,732,125.42, 76,921,649.39 and 32,211,660.78
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Solution
The fourth proportional to 55,732,125.42, 76,921,649.39 and 32,211,660.78 is: 44,458,632.40
Step by Step Solution
- Step 1: Write the proportion equation
55,732,125.42 : 76,921,649.39 = 32,211,660.78 : x - Step 2: Convert to fraction form
55,732,125.42/76,921,649.39 = 32,211,660.78/x - Step 3: Cross multiply
55,732,125.42x = 76,921,649.39 × 32,211,660.78 - Step 4: Simplify right side
55,732,125.42x = 2,477,774,076,788,774 - Step 5: Solve for x
x = 2,477,774,076,788,774/55,732,125.42 - Step 6: Final answer
x = 44,458,632.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.