Finding the Fourth Proportional to 92,202,408.80, 138,209,134.80 and 53,844,178.40
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Solution
The fourth proportional to 92,202,408.80, 138,209,134.80 and 53,844,178.40 is: 80,711,094.29
Step by Step Solution
- Step 1: Write the proportion equation
92,202,408.80 : 138,209,134.80 = 53,844,178.40 : x - Step 2: Convert to fraction form
92,202,408.80/138,209,134.80 = 53,844,178.40/x - Step 3: Cross multiply
92,202,408.80x = 138,209,134.80 × 53,844,178.40 - Step 4: Simplify right side
92,202,408.80x = 7,441,757,310,680,849 - Step 5: Solve for x
x = 7,441,757,310,680,849/92,202,408.80 - Step 6: Final answer
x = 80,711,094.29
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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.