Finding the Fourth Proportional to 216,752,119.29, 299,118,080.75 and 117,632,840.49
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Solution
The fourth proportional to 216,752,119.29, 299,118,080.75 and 117,632,840.49 is: 162,333,404.61
Step by Step Solution
- Step 1: Write the proportion equation
216,752,119.29 : 299,118,080.75 = 117,632,840.49 : x - Step 2: Convert to fraction form
216,752,119.29/299,118,080.75 = 117,632,840.49/x - Step 3: Cross multiply
216,752,119.29x = 299,118,080.75 × 117,632,840.49 - Step 4: Simplify right side
216,752,119.29x = 35,186,109,479,951,524 - Step 5: Solve for x
x = 35,186,109,479,951,524/216,752,119.29 - Step 6: Final answer
x = 162,333,404.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.