Finding the Fourth Proportional to 48,151,314.12, 72,103,658.40 and 26,561,920.80
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Solution
The fourth proportional to 48,151,314.12, 72,103,658.40 and 26,561,920.80 is: 39,774,857.63
Step by Step Solution
- Step 1: Write the proportion equation
48,151,314.12 : 72,103,658.40 = 26,561,920.80 : x - Step 2: Convert to fraction form
48,151,314.12/72,103,658.40 = 26,561,920.80/x - Step 3: Cross multiply
48,151,314.12x = 72,103,658.40 × 26,561,920.80 - Step 4: Simplify right side
48,151,314.12x = 1,915,211,663,811,055 - Step 5: Solve for x
x = 1,915,211,663,811,055/48,151,314.12 - Step 6: Final answer
x = 39,774,857.63
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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.