Finding the Fourth Proportional to 171,877,159.20, 257,437,825.20 and 149,202,343.20
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Solution
The fourth proportional to 171,877,159.20, 257,437,825.20 and 149,202,343.20 is: 223,475,457.28
Step by Step Solution
- Step 1: Write the proportion equation
171,877,159.20 : 257,437,825.20 = 149,202,343.20 : x - Step 2: Convert to fraction form
171,877,159.20/257,437,825.20 = 149,202,343.20/x - Step 3: Cross multiply
171,877,159.20x = 257,437,825.20 × 149,202,343.20 - Step 4: Simplify right side
171,877,159.20x = 38,410,326,748,152,000 - Step 5: Solve for x
x = 38,410,326,748,152,000/171,877,159.20 - Step 6: Final answer
x = 223,475,457.28
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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.