Finding the Fourth Proportional to 79,967,668.97, 119,955,990.45 and 22,455,456.05
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Solution
The fourth proportional to 79,967,668.97, 119,955,990.45 and 22,455,456.05 is: 33,684,444.06
Step by Step Solution
- Step 1: Write the proportion equation
79,967,668.97 : 119,955,990.45 = 22,455,456.05 : x - Step 2: Convert to fraction form
79,967,668.97/119,955,990.45 = 22,455,456.05/x - Step 3: Cross multiply
79,967,668.97x = 119,955,990.45 × 22,455,456.05 - Step 4: Simplify right side
79,967,668.97x = 2,693,666,471,868,292.50 - Step 5: Solve for x
x = 2,693,666,471,868,292.50/79,967,668.97 - Step 6: Final answer
x = 33,684,444.06
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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.