Finding the Fourth Proportional to 129,295,584.20, 194,037,854.70 and 91,031,832.20
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Solution
The fourth proportional to 129,295,584.20, 194,037,854.70 and 91,031,832.20 is: 136,614,266.75
Step by Step Solution
- Step 1: Write the proportion equation
129,295,584.20 : 194,037,854.70 = 91,031,832.20 : x - Step 2: Convert to fraction form
129,295,584.20/194,037,854.70 = 91,031,832.20/x - Step 3: Cross multiply
129,295,584.20x = 194,037,854.70 × 91,031,832.20 - Step 4: Simplify right side
129,295,584.20x = 17,663,621,429,498,380 - Step 5: Solve for x
x = 17,663,621,429,498,380/129,295,584.20 - Step 6: Final answer
x = 136,614,266.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.