Finding the Fourth Proportional to 242,638,233.20, 363,957,349.80 and 106,589,337.20
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Solution
The fourth proportional to 242,638,233.20, 363,957,349.80 and 106,589,337.20 is: 159,884,005.80
Step by Step Solution
- Step 1: Write the proportion equation
242,638,233.20 : 363,957,349.80 = 106,589,337.20 : x - Step 2: Convert to fraction form
242,638,233.20/363,957,349.80 = 106,589,337.20/x - Step 3: Cross multiply
242,638,233.20x = 363,957,349.80 × 106,589,337.20 - Step 4: Simplify right side
242,638,233.20x = 38,793,972,684,250,552 - Step 5: Solve for x
x = 38,793,972,684,250,552/242,638,233.20 - Step 6: Final answer
x = 159,884,005.80
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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.