Finding the Fourth Proportional to 80,624,908.92, 120,726,565.74 and 44,157,442.08
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Solution
The fourth proportional to 80,624,908.92, 120,726,565.74 and 44,157,442.08 is: 66,120,711.40
Step by Step Solution
- Step 1: Write the proportion equation
80,624,908.92 : 120,726,565.74 = 44,157,442.08 : x - Step 2: Convert to fraction form
80,624,908.92/120,726,565.74 = 44,157,442.08/x - Step 3: Cross multiply
80,624,908.92x = 120,726,565.74 × 44,157,442.08 - Step 4: Simplify right side
80,624,908.92x = 5,330,976,334,181,362 - Step 5: Solve for x
x = 5,330,976,334,181,362/80,624,908.92 - Step 6: Final answer
x = 66,120,711.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.