Finding the Fourth Proportional to 189,621,000.23, 284,450,445.23 and 51,448,800.60
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Solution
The fourth proportional to 189,621,000.23, 284,450,445.23 and 51,448,800.60 is: 77,178,341.11
Step by Step Solution
- Step 1: Write the proportion equation
189,621,000.23 : 284,450,445.23 = 51,448,800.60 : x - Step 2: Convert to fraction form
189,621,000.23/284,450,445.23 = 51,448,800.60/x - Step 3: Cross multiply
189,621,000.23x = 284,450,445.23 × 51,448,800.60 - Step 4: Simplify right side
189,621,000.23x = 14,634,634,236,962,248 - Step 5: Solve for x
x = 14,634,634,236,962,248/189,621,000.23 - Step 6: Final answer
x = 77,178,341.11
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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.