Finding the Fourth Proportional to 145,517,358.60, 218,276,037.90 and 125,960,329.80
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Solution
The fourth proportional to 145,517,358.60, 218,276,037.90 and 125,960,329.80 is: 188,940,494.70
Step by Step Solution
- Step 1: Write the proportion equation
145,517,358.60 : 218,276,037.90 = 125,960,329.80 : x - Step 2: Convert to fraction form
145,517,358.60/218,276,037.90 = 125,960,329.80/x - Step 3: Cross multiply
145,517,358.60x = 218,276,037.90 × 125,960,329.80 - Step 4: Simplify right side
145,517,358.60x = 27,494,121,721,321,300 - Step 5: Solve for x
x = 27,494,121,721,321,300/145,517,358.60 - Step 6: Final answer
x = 188,940,494.70
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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.