Finding the Fourth Proportional to 119,438,750.43, 164,814,967.62 and 66,511,458.68
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Solution
The fourth proportional to 119,438,750.43, 164,814,967.62 and 66,511,458.68 is: 91,779,961.43
Step by Step Solution
- Step 1: Write the proportion equation
119,438,750.43 : 164,814,967.62 = 66,511,458.68 : x - Step 2: Convert to fraction form
119,438,750.43/164,814,967.62 = 66,511,458.68/x - Step 3: Cross multiply
119,438,750.43x = 164,814,967.62 × 66,511,458.68 - Step 4: Simplify right side
119,438,750.43x = 10,962,083,907,879,092 - Step 5: Solve for x
x = 10,962,083,907,879,092/119,438,750.43 - Step 6: Final answer
x = 91,779,961.43
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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.