Finding the Fourth Proportional to 232,590,599.62, 320,977,179.83 and 128,172,407.53
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Solution
The fourth proportional to 232,590,599.62, 320,977,179.83 and 128,172,407.53 is: 176,879,108.47
Step by Step Solution
- Step 1: Write the proportion equation
232,590,599.62 : 320,977,179.83 = 128,172,407.53 : x - Step 2: Convert to fraction form
232,590,599.62/320,977,179.83 = 128,172,407.53/x - Step 3: Cross multiply
232,590,599.62x = 320,977,179.83 × 128,172,407.53 - Step 4: Simplify right side
232,590,599.62x = 41,140,417,900,359,992 - Step 5: Solve for x
x = 41,140,417,900,359,992/232,590,599.62 - Step 6: Final answer
x = 176,879,108.47
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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.