Finding the Fourth Proportional to 268,419,168.63, 402,624,701.37 and 120,762,458.21
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Solution
The fourth proportional to 268,419,168.63, 402,624,701.37 and 120,762,458.21 is: 181,141,864.49
Step by Step Solution
- Step 1: Write the proportion equation
268,419,168.63 : 402,624,701.37 = 120,762,458.21 : x - Step 2: Convert to fraction form
268,419,168.63/402,624,701.37 = 120,762,458.21/x - Step 3: Cross multiply
268,419,168.63x = 402,624,701.37 × 120,762,458.21 - Step 4: Simplify right side
268,419,168.63x = 48,621,948,671,495,232 - Step 5: Solve for x
x = 48,621,948,671,495,232/268,419,168.63 - Step 6: Final answer
x = 181,141,864.49
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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.