Finding the Fourth Proportional to 232,590,651.08, 320,977,251.06 and 128,172,459.20
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Solution
The fourth proportional to 232,590,651.08, 320,977,251.06 and 128,172,459.20 is: 176,879,179.90
Step by Step Solution
- Step 1: Write the proportion equation
232,590,651.08 : 320,977,251.06 = 128,172,459.20 : x - Step 2: Convert to fraction form
232,590,651.08/320,977,251.06 = 128,172,459.20/x - Step 3: Cross multiply
232,590,651.08x = 320,977,251.06 × 128,172,459.20 - Step 4: Simplify right side
232,590,651.08x = 41,140,443,615,616,008 - Step 5: Solve for x
x = 41,140,443,615,616,008/232,590,651.08 - Step 6: Final answer
x = 176,879,179.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.