Finding the Fourth Proportional to 221,296,730.79, 305,383,410.14 and 122,175,677.01
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Solution
The fourth proportional to 221,296,730.79, 305,383,410.14 and 122,175,677.01 is: 168,599,078.48
Step by Step Solution
- Step 1: Write the proportion equation
221,296,730.79 : 305,383,410.14 = 122,175,677.01 : x - Step 2: Convert to fraction form
221,296,730.79/305,383,410.14 = 122,175,677.01/x - Step 3: Cross multiply
221,296,730.79x = 305,383,410.14 × 122,175,677.01 - Step 4: Simplify right side
221,296,730.79x = 37,310,424,880,866,120 - Step 5: Solve for x
x = 37,310,424,880,866,120/221,296,730.79 - Step 6: Final answer
x = 168,599,078.48
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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.