Finding the Fourth Proportional to 151,331,123.80, 226,996,685.70 and 99,675,058.60
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Solution
The fourth proportional to 151,331,123.80, 226,996,685.70 and 99,675,058.60 is: 149,512,587.90
Step by Step Solution
- Step 1: Write the proportion equation
151,331,123.80 : 226,996,685.70 = 99,675,058.60 : x - Step 2: Convert to fraction form
151,331,123.80/226,996,685.70 = 99,675,058.60/x - Step 3: Cross multiply
151,331,123.80x = 226,996,685.70 × 99,675,058.60 - Step 4: Simplify right side
151,331,123.80x = 22,625,907,949,153,280 - Step 5: Solve for x
x = 22,625,907,949,153,280/151,331,123.80 - Step 6: Final answer
x = 149,512,587.90
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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.