Finding the Fourth Proportional to 232,590,651.98, 320,977,252.35 and 128,172,460.10
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Solution
The fourth proportional to 232,590,651.98, 320,977,252.35 and 128,172,460.10 is: 176,879,181.17
Step by Step Solution
- Step 1: Write the proportion equation
232,590,651.98 : 320,977,252.35 = 128,172,460.10 : x - Step 2: Convert to fraction form
232,590,651.98/320,977,252.35 = 128,172,460.10/x - Step 3: Cross multiply
232,590,651.98x = 320,977,252.35 × 128,172,460.10 - Step 4: Simplify right side
232,590,651.98x = 41,140,444,068,233,120 - Step 5: Solve for x
x = 41,140,444,068,233,120/232,590,651.98 - Step 6: Final answer
x = 176,879,181.17
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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.