Finding the Fourth Proportional to 106,523,999.40, 159,785,999.10 and 102,343,621.80
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Solution
The fourth proportional to 106,523,999.40, 159,785,999.10 and 102,343,621.80 is: 153,515,432.70
Step by Step Solution
- Step 1: Write the proportion equation
106,523,999.40 : 159,785,999.10 = 102,343,621.80 : x - Step 2: Convert to fraction form
106,523,999.40/159,785,999.10 = 102,343,621.80/x - Step 3: Cross multiply
106,523,999.40x = 159,785,999.10 × 102,343,621.80 - Step 4: Simplify right side
106,523,999.40x = 16,353,077,860,825,540 - Step 5: Solve for x
x = 16,353,077,860,825,540/106,523,999.40 - Step 6: Final answer
x = 153,515,432.70
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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.