Finding the Fourth Proportional to 276,889,701.12, 382,065,342.48 and 159,392,327.28
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Solution
The fourth proportional to 276,889,701.12, 382,065,342.48 and 159,392,327.28 is: 219,936,978.03
Step by Step Solution
- Step 1: Write the proportion equation
276,889,701.12 : 382,065,342.48 = 159,392,327.28 : x - Step 2: Convert to fraction form
276,889,701.12/382,065,342.48 = 159,392,327.28/x - Step 3: Cross multiply
276,889,701.12x = 382,065,342.48 × 159,392,327.28 - Step 4: Simplify right side
276,889,701.12x = 60,898,284,110,917,448 - Step 5: Solve for x
x = 60,898,284,110,917,448/276,889,701.12 - Step 6: Final answer
x = 219,936,978.03
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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.