Finding the Fourth Proportional to 48,143,798.97, 66,438,441.99 and 27,517,688.16
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Solution
The fourth proportional to 48,143,798.97, 66,438,441.99 and 27,517,688.16 is: 37,974,409.32
Step by Step Solution
- Step 1: Write the proportion equation
48,143,798.97 : 66,438,441.99 = 27,517,688.16 : x - Step 2: Convert to fraction form
48,143,798.97/66,438,441.99 = 27,517,688.16/x - Step 3: Cross multiply
48,143,798.97x = 66,438,441.99 × 27,517,688.16 - Step 4: Simplify right side
48,143,798.97x = 1,828,232,328,517,070 - Step 5: Solve for x
x = 1,828,232,328,517,070/48,143,798.97 - Step 6: Final answer
x = 37,974,409.32
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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.