Finding the Fourth Proportional to 65,198,715.40, 97,762,643.70 and 22,045,706.20
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Solution
The fourth proportional to 65,198,715.40, 97,762,643.70 and 22,045,706.20 is: 33,056,579.52
Step by Step Solution
- Step 1: Write the proportion equation
65,198,715.40 : 97,762,643.70 = 22,045,706.20 : x - Step 2: Convert to fraction form
65,198,715.40/97,762,643.70 = 22,045,706.20/x - Step 3: Cross multiply
65,198,715.40x = 97,762,643.70 × 22,045,706.20 - Step 4: Simplify right side
65,198,715.40x = 2,155,246,520,345,481 - Step 5: Solve for x
x = 2,155,246,520,345,481/65,198,715.40 - Step 6: Final answer
x = 33,056,579.52
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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.