Finding the Fourth Proportional to 232,992,092.40, 349,488,138.60 and 228,457,129.20
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Solution
The fourth proportional to 232,992,092.40, 349,488,138.60 and 228,457,129.20 is: 342,685,693.80
Step by Step Solution
- Step 1: Write the proportion equation
232,992,092.40 : 349,488,138.60 = 228,457,129.20 : x - Step 2: Convert to fraction form
232,992,092.40/349,488,138.60 = 228,457,129.20/x - Step 3: Cross multiply
232,992,092.40x = 349,488,138.60 × 228,457,129.20 - Step 4: Simplify right side
232,992,092.40x = 79,843,056,834,007,712 - Step 5: Solve for x
x = 79,843,056,834,007,712/232,992,092.40 - Step 6: Final answer
x = 342,685,693.80
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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.