Finding the Fourth Proportional to 105,528,028.80, 158,292,043.20 and 44,949,878.40
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Solution
The fourth proportional to 105,528,028.80, 158,292,043.20 and 44,949,878.40 is: 67,424,817.60
Step by Step Solution
- Step 1: Write the proportion equation
105,528,028.80 : 158,292,043.20 = 44,949,878.40 : x - Step 2: Convert to fraction form
105,528,028.80/158,292,043.20 = 44,949,878.40/x - Step 3: Cross multiply
105,528,028.80x = 158,292,043.20 × 44,949,878.40 - Step 4: Simplify right side
105,528,028.80x = 7,115,208,093,527,546 - Step 5: Solve for x
x = 7,115,208,093,527,546/105,528,028.80 - Step 6: Final answer
x = 67,424,817.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.