Finding the Fourth Proportional to 361,981,496.70, 542,972,245.05 and 89,352,263.70
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Solution
The fourth proportional to 361,981,496.70, 542,972,245.05 and 89,352,263.70 is: 134,028,395.55
Step by Step Solution
- Step 1: Write the proportion equation
361,981,496.70 : 542,972,245.05 = 89,352,263.70 : x - Step 2: Convert to fraction form
361,981,496.70/542,972,245.05 = 89,352,263.70/x - Step 3: Cross multiply
361,981,496.70x = 542,972,245.05 × 89,352,263.70 - Step 4: Simplify right side
361,981,496.70x = 48,515,799,221,488,616 - Step 5: Solve for x
x = 48,515,799,221,488,616/361,981,496.70 - Step 6: Final answer
x = 134,028,395.55
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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.