Finding the Fourth Proportional to 122,523,747.40, 183,785,621.10 and 121,806,302.05
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Solution
The fourth proportional to 122,523,747.40, 183,785,621.10 and 121,806,302.05 is: 182,709,453.08
Step by Step Solution
- Step 1: Write the proportion equation
122,523,747.40 : 183,785,621.10 = 121,806,302.05 : x - Step 2: Convert to fraction form
122,523,747.40/183,785,621.10 = 121,806,302.05/x - Step 3: Cross multiply
122,523,747.40x = 183,785,621.10 × 121,806,302.05 - Step 4: Simplify right side
122,523,747.40x = 22,386,246,876,153,452 - Step 5: Solve for x
x = 22,386,246,876,153,452/122,523,747.40 - Step 6: Final answer
x = 182,709,453.08
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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.