Finding the Fourth Proportional to 181,677,345.90, 272,579,004.45 and 79,514,702.70
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Solution
The fourth proportional to 181,677,345.90, 272,579,004.45 and 79,514,702.70 is: 119,299,620.95
Step by Step Solution
- Step 1: Write the proportion equation
181,677,345.90 : 272,579,004.45 = 79,514,702.70 : x - Step 2: Convert to fraction form
181,677,345.90/272,579,004.45 = 79,514,702.70/x - Step 3: Cross multiply
181,677,345.90x = 272,579,004.45 × 79,514,702.70 - Step 4: Simplify right side
181,677,345.90x = 21,674,038,501,103,728 - Step 5: Solve for x
x = 21,674,038,501,103,728/181,677,345.90 - Step 6: Final answer
x = 119,299,620.95
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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.