Finding the Fourth Proportional to 104,813,299.76, 144,640,416.26 and 57,128,965.06
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Solution
The fourth proportional to 104,813,299.76, 144,640,416.26 and 57,128,965.06 is: 78,836,915.79
Step by Step Solution
- Step 1: Write the proportion equation
104,813,299.76 : 144,640,416.26 = 57,128,965.06 : x - Step 2: Convert to fraction form
104,813,299.76/144,640,416.26 = 57,128,965.06/x - Step 3: Cross multiply
104,813,299.76x = 144,640,416.26 × 57,128,965.06 - Step 4: Simplify right side
104,813,299.76x = 8,263,157,286,781,396 - Step 5: Solve for x
x = 8,263,157,286,781,396/104,813,299.76 - Step 6: Final answer
x = 78,836,915.79
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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.