Finding the Fourth Proportional to 81,029,859.52, 121,564,125 and 26,442,546.32
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Solution
The fourth proportional to 81,029,859.52, 121,564,125 and 26,442,546.32 is: 39,670,129.32
Step by Step Solution
- Step 1: Write the proportion equation
81,029,859.52 : 121,564,125 = 26,442,546.32 : x - Step 2: Convert to fraction form
81,029,859.52/121,564,125 = 26,442,546.32/x - Step 3: Cross multiply
81,029,859.52x = 121,564,125 × 26,442,546.32 - Step 4: Simplify right side
81,029,859.52x = 3,214,465,006,162,770 - Step 5: Solve for x
x = 3,214,465,006,162,770/81,029,859.52 - Step 6: Final answer
x = 39,670,129.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.