Finding the Fourth Proportional to 194,941,077.80, 292,411,616.70 and 156,677,325.80
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Solution
The fourth proportional to 194,941,077.80, 292,411,616.70 and 156,677,325.80 is: 235,015,988.70
Step by Step Solution
- Step 1: Write the proportion equation
194,941,077.80 : 292,411,616.70 = 156,677,325.80 : x - Step 2: Convert to fraction form
194,941,077.80/292,411,616.70 = 156,677,325.80/x - Step 3: Cross multiply
194,941,077.80x = 292,411,616.70 × 156,677,325.80 - Step 4: Simplify right side
194,941,077.80x = 45,814,270,137,410,624 - Step 5: Solve for x
x = 45,814,270,137,410,624/194,941,077.80 - Step 6: Final answer
x = 235,015,988.70
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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.