Finding the Fourth Proportional to 132,274,676.13, 182,539,762.79 and 72,739,811.26
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Solution
The fourth proportional to 132,274,676.13, 182,539,762.79 and 72,739,811.26 is: 100,381,329.83
Step by Step Solution
- Step 1: Write the proportion equation
132,274,676.13 : 182,539,762.79 = 72,739,811.26 : x - Step 2: Convert to fraction form
132,274,676.13/182,539,762.79 = 72,739,811.26/x - Step 3: Cross multiply
132,274,676.13x = 182,539,762.79 × 72,739,811.26 - Step 4: Simplify right side
132,274,676.13x = 13,277,907,892,654,248 - Step 5: Solve for x
x = 13,277,907,892,654,248/132,274,676.13 - Step 6: Final answer
x = 100,381,329.83
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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.