Finding the Fourth Proportional to 70,889,383.50, 106,273,424.16 and 27,201,493.50
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Solution
The fourth proportional to 70,889,383.50, 106,273,424.16 and 27,201,493.50 is: 40,778,967.37
Step by Step Solution
- Step 1: Write the proportion equation
70,889,383.50 : 106,273,424.16 = 27,201,493.50 : x - Step 2: Convert to fraction form
70,889,383.50/106,273,424.16 = 27,201,493.50/x - Step 3: Cross multiply
70,889,383.50x = 106,273,424.16 × 27,201,493.50 - Step 4: Simplify right side
70,889,383.50x = 2,890,795,856,510,983 - Step 5: Solve for x
x = 2,890,795,856,510,983/70,889,383.50 - Step 6: Final answer
x = 40,778,967.37
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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.