Finding the Fourth Proportional to 197,913,282.80, 296,985,689.40 and 82,888,163.60
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Solution
The fourth proportional to 197,913,282.80, 296,985,689.40 and 82,888,163.60 is: 124,380,729.08
Step by Step Solution
- Step 1: Write the proportion equation
197,913,282.80 : 296,985,689.40 = 82,888,163.60 : x - Step 2: Convert to fraction form
197,913,282.80/296,985,689.40 = 82,888,163.60/x - Step 3: Cross multiply
197,913,282.80x = 296,985,689.40 × 82,888,163.60 - Step 4: Simplify right side
197,913,282.80x = 24,616,598,409,845,984 - Step 5: Solve for x
x = 24,616,598,409,845,984/197,913,282.80 - Step 6: Final answer
x = 124,380,729.08
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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.