Finding the Fourth Proportional to 246,968,901.57, 340,817,571.33 and 135,460,650.03
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Solution
The fourth proportional to 246,968,901.57, 340,817,571.33 and 135,460,650.03 is: 186,935,964.25
Step by Step Solution
- Step 1: Write the proportion equation
246,968,901.57 : 340,817,571.33 = 135,460,650.03 : x - Step 2: Convert to fraction form
246,968,901.57/340,817,571.33 = 135,460,650.03/x - Step 3: Cross multiply
246,968,901.57x = 340,817,571.33 × 135,460,650.03 - Step 4: Simplify right side
246,968,901.57x = 46,167,369,754,007,688 - Step 5: Solve for x
x = 46,167,369,754,007,688/246,968,901.57 - Step 6: Final answer
x = 186,935,964.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.