Finding the Fourth Proportional to 149,467,801.30, 224,201,701.95 and 80,593,047.70
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Solution
The fourth proportional to 149,467,801.30, 224,201,701.95 and 80,593,047.70 is: 120,889,571.55
Step by Step Solution
- Step 1: Write the proportion equation
149,467,801.30 : 224,201,701.95 = 80,593,047.70 : x - Step 2: Convert to fraction form
149,467,801.30/224,201,701.95 = 80,593,047.70/x - Step 3: Cross multiply
149,467,801.30x = 224,201,701.95 × 80,593,047.70 - Step 4: Simplify right side
149,467,801.30x = 18,069,098,459,677,532 - Step 5: Solve for x
x = 18,069,098,459,677,532/149,467,801.30 - Step 6: Final answer
x = 120,889,571.55
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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.