Finding the Fourth Proportional to 151,331,310.90, 226,996,966.35 and 74,803,806.90
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Solution
The fourth proportional to 151,331,310.90, 226,996,966.35 and 74,803,806.90 is: 112,205,710.35
Step by Step Solution
- Step 1: Write the proportion equation
151,331,310.90 : 226,996,966.35 = 74,803,806.90 : x - Step 2: Convert to fraction form
151,331,310.90/226,996,966.35 = 74,803,806.90/x - Step 3: Cross multiply
151,331,310.90x = 226,996,966.35 × 74,803,806.90 - Step 4: Simplify right side
151,331,310.90x = 16,980,237,237,731,198 - Step 5: Solve for x
x = 16,980,237,237,731,198/151,331,310.90 - Step 6: Final answer
x = 112,205,710.35
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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.