Finding the Fourth Proportional to 149,576,415.80, 224,364,623.70 and 68,954,847.80
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Solution
The fourth proportional to 149,576,415.80, 224,364,623.70 and 68,954,847.80 is: 103,432,271.70
Step by Step Solution
- Step 1: Write the proportion equation
149,576,415.80 : 224,364,623.70 = 68,954,847.80 : x - Step 2: Convert to fraction form
149,576,415.80/224,364,623.70 = 68,954,847.80/x - Step 3: Cross multiply
149,576,415.80x = 224,364,623.70 × 68,954,847.80 - Step 4: Simplify right side
149,576,415.80x = 15,471,028,478,937,772 - Step 5: Solve for x
x = 15,471,028,478,937,772/149,576,415.80 - Step 6: Final answer
x = 103,432,271.70
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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.