Finding the Fourth Proportional to 153,514,676.27, 211,952,512.86 and 90,810,917.99
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Solution
The fourth proportional to 153,514,676.27, 211,952,512.86 and 90,810,917.99 is: 125,379,558.05
Step by Step Solution
- Step 1: Write the proportion equation
153,514,676.27 : 211,952,512.86 = 90,810,917.99 : x - Step 2: Convert to fraction form
153,514,676.27/211,952,512.86 = 90,810,917.99/x - Step 3: Cross multiply
153,514,676.27x = 211,952,512.86 × 90,810,917.99 - Step 4: Simplify right side
153,514,676.27x = 19,247,602,264,457,076 - Step 5: Solve for x
x = 19,247,602,264,457,076/153,514,676.27 - Step 6: Final answer
x = 125,379,558.05
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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.