Finding the Fourth Proportional to 73,368,975.60, 110,053,463.40 and 72,235,234.80
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Solution
The fourth proportional to 73,368,975.60, 110,053,463.40 and 72,235,234.80 is: 108,352,852.20
Step by Step Solution
- Step 1: Write the proportion equation
73,368,975.60 : 110,053,463.40 = 72,235,234.80 : x - Step 2: Convert to fraction form
73,368,975.60/110,053,463.40 = 72,235,234.80/x - Step 3: Cross multiply
73,368,975.60x = 110,053,463.40 × 72,235,234.80 - Step 4: Simplify right side
73,368,975.60x = 7,949,737,769,252,206 - Step 5: Solve for x
x = 7,949,737,769,252,206/73,368,975.60 - Step 6: Final answer
x = 108,352,852.20
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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.