Finding the Fourth Proportional to 43,148,829.80, 64,723,244.70 and 11,236,125.80
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Solution
The fourth proportional to 43,148,829.80, 64,723,244.70 and 11,236,125.80 is: 16,854,188.70
Step by Step Solution
- Step 1: Write the proportion equation
43,148,829.80 : 64,723,244.70 = 11,236,125.80 : x - Step 2: Convert to fraction form
43,148,829.80/64,723,244.70 = 11,236,125.80/x - Step 3: Cross multiply
43,148,829.80x = 64,723,244.70 × 11,236,125.80 - Step 4: Simplify right side
43,148,829.80x = 727,238,519,633,383.38 - Step 5: Solve for x
x = 727,238,519,633,383.38/43,148,829.80 - Step 6: Final answer
x = 16,854,188.70
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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.