Finding the Fourth Proportional to 80,558,475.80, 120,837,713.70 and 26,705,787.80
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Solution
The fourth proportional to 80,558,475.80, 120,837,713.70 and 26,705,787.80 is: 40,058,681.70
Step by Step Solution
- Step 1: Write the proportion equation
80,558,475.80 : 120,837,713.70 = 26,705,787.80 : x - Step 2: Convert to fraction form
80,558,475.80/120,837,713.70 = 26,705,787.80/x - Step 3: Cross multiply
80,558,475.80x = 120,837,713.70 × 26,705,787.80 - Step 4: Simplify right side
80,558,475.80x = 3,227,066,340,309,353 - Step 5: Solve for x
x = 3,227,066,340,309,353/80,558,475.80 - Step 6: Final answer
x = 40,058,681.70
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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.