Finding the Fourth Proportional to 171,877,228.20, 257,437,928.70 and 149,202,412.20
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Solution
The fourth proportional to 171,877,228.20, 257,437,928.70 and 149,202,412.20 is: 223,475,560.76
Step by Step Solution
- Step 1: Write the proportion equation
171,877,228.20 : 257,437,928.70 = 149,202,412.20 : x - Step 2: Convert to fraction form
171,877,228.20/257,437,928.70 = 149,202,412.20/x - Step 3: Cross multiply
171,877,228.20x = 257,437,928.70 × 149,202,412.20 - Step 4: Simplify right side
171,877,228.20x = 38,410,359,953,811,608 - Step 5: Solve for x
x = 38,410,359,953,811,608/171,877,228.20 - Step 6: Final answer
x = 223,475,560.76
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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.