Finding the Fourth Proportional to 86,908,489.70, 130,380,230.55 and 25,497,529.70
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Solution
The fourth proportional to 86,908,489.70, 130,380,230.55 and 25,497,529.70 is: 38,251,427.59
Step by Step Solution
- Step 1: Write the proportion equation
86,908,489.70 : 130,380,230.55 = 25,497,529.70 : x - Step 2: Convert to fraction form
86,908,489.70/130,380,230.55 = 25,497,529.70/x - Step 3: Cross multiply
86,908,489.70x = 130,380,230.55 × 25,497,529.70 - Step 4: Simplify right side
86,908,489.70x = 3,324,373,800,741,472 - Step 5: Solve for x
x = 3,324,373,800,741,472/86,908,489.70 - Step 6: Final answer
x = 38,251,427.59
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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.