Finding the Fourth Proportional to 71,064,247.80, 106,596,371.70 and 65,962,414.20
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Solution
The fourth proportional to 71,064,247.80, 106,596,371.70 and 65,962,414.20 is: 98,943,621.30
Step by Step Solution
- Step 1: Write the proportion equation
71,064,247.80 : 106,596,371.70 = 65,962,414.20 : x - Step 2: Convert to fraction form
71,064,247.80/106,596,371.70 = 65,962,414.20/x - Step 3: Cross multiply
71,064,247.80x = 106,596,371.70 × 65,962,414.20 - Step 4: Simplify right side
71,064,247.80x = 7,031,354,022,292,559 - Step 5: Solve for x
x = 7,031,354,022,292,559/71,064,247.80 - Step 6: Final answer
x = 98,943,621.30
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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.