Finding the Fourth Proportional to 89,022,658.85, 133,533,988.28 and 66,064,407.65
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Solution
The fourth proportional to 89,022,658.85, 133,533,988.28 and 66,064,407.65 is: 99,096,611.48
Step by Step Solution
- Step 1: Write the proportion equation
89,022,658.85 : 133,533,988.28 = 66,064,407.65 : x - Step 2: Convert to fraction form
89,022,658.85/133,533,988.28 = 66,064,407.65/x - Step 3: Cross multiply
89,022,658.85x = 133,533,988.28 × 66,064,407.65 - Step 4: Simplify right side
89,022,658.85x = 8,821,843,836,529,920 - Step 5: Solve for x
x = 8,821,843,836,529,920/89,022,658.85 - Step 6: Final answer
x = 99,096,611.48
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1.5x scale
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.