Finding the Fourth Proportional to 87,264,623.91, 120,425,545.62 and 48,105,541.47
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Solution
The fourth proportional to 87,264,623.91, 120,425,545.62 and 48,105,541.47 is: 66,385,848.23
Step by Step Solution
- Step 1: Write the proportion equation
87,264,623.91 : 120,425,545.62 = 48,105,541.47 : x - Step 2: Convert to fraction form
87,264,623.91/120,425,545.62 = 48,105,541.47/x - Step 3: Cross multiply
87,264,623.91x = 120,425,545.62 × 48,105,541.47 - Step 4: Simplify right side
87,264,623.91x = 5,793,136,078,870,287 - Step 5: Solve for x
x = 5,793,136,078,870,287/87,264,623.91 - Step 6: Final answer
x = 66,385,848.23
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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.