Finding the Fourth Proportional to 79,744,042.80, 119,616,064.20 and 49,133,041.20
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Solution
The fourth proportional to 79,744,042.80, 119,616,064.20 and 49,133,041.20 is: 73,699,561.80
Step by Step Solution
- Step 1: Write the proportion equation
79,744,042.80 : 119,616,064.20 = 49,133,041.20 : x - Step 2: Convert to fraction form
79,744,042.80/119,616,064.20 = 49,133,041.20/x - Step 3: Cross multiply
79,744,042.80x = 119,616,064.20 × 49,133,041.20 - Step 4: Simplify right side
79,744,042.80x = 5,877,101,010,520,446 - Step 5: Solve for x
x = 5,877,101,010,520,446/79,744,042.80 - Step 6: Final answer
x = 73,699,561.80
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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.