Finding the Fourth Proportional to 245,425,472.67, 368,135,782.98 and 112,440,607.12
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Solution
The fourth proportional to 245,425,472.67, 368,135,782.98 and 112,440,607.12 is: 168,659,799.20
Step by Step Solution
- Step 1: Write the proportion equation
245,425,472.67 : 368,135,782.98 = 112,440,607.12 : x - Step 2: Convert to fraction form
245,425,472.67/368,135,782.98 = 112,440,607.12/x - Step 3: Cross multiply
245,425,472.67x = 368,135,782.98 × 112,440,607.12 - Step 4: Simplify right side
245,425,472.67x = 41,393,410,939,985,944 - Step 5: Solve for x
x = 41,393,410,939,985,944/245,425,472.67 - Step 6: Final answer
x = 168,659,799.20
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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.