Finding the Fourth Proportional to 110,805,469.74, 166,207,869.27 and 77,880,486.06
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Solution
The fourth proportional to 110,805,469.74, 166,207,869.27 and 77,880,486.06 is: 116,820,493.39
Step by Step Solution
- Step 1: Write the proportion equation
110,805,469.74 : 166,207,869.27 = 77,880,486.06 : x - Step 2: Convert to fraction form
110,805,469.74/166,207,869.27 = 77,880,486.06/x - Step 3: Cross multiply
110,805,469.74x = 166,207,869.27 × 77,880,486.06 - Step 4: Simplify right side
110,805,469.74x = 12,944,349,645,744,538 - Step 5: Solve for x
x = 12,944,349,645,744,538/110,805,469.74 - Step 6: Final answer
x = 116,820,493.39
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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.