Finding the Fourth Proportional to 207,076,259.67, 285,771,217.91 and 114,262,746.09
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Solution
The fourth proportional to 207,076,259.67, 285,771,217.91 and 114,262,746.09 is: 157,685,889.07
Step by Step Solution
- Step 1: Write the proportion equation
207,076,259.67 : 285,771,217.91 = 114,262,746.09 : x - Step 2: Convert to fraction form
207,076,259.67/285,771,217.91 = 114,262,746.09/x - Step 3: Cross multiply
207,076,259.67x = 285,771,217.91 × 114,262,746.09 - Step 4: Simplify right side
207,076,259.67x = 32,653,004,110,879,592 - Step 5: Solve for x
x = 32,653,004,110,879,592/207,076,259.67 - Step 6: Final answer
x = 157,685,889.07
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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.