Finding the Fourth Proportional to 80,649,246.80, 120,973,870.20 and 26,796,558.80
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Solution
The fourth proportional to 80,649,246.80, 120,973,870.20 and 26,796,558.80 is: 40,194,838.20
Step by Step Solution
- Step 1: Write the proportion equation
80,649,246.80 : 120,973,870.20 = 26,796,558.80 : x - Step 2: Convert to fraction form
80,649,246.80/120,973,870.20 = 26,796,558.80/x - Step 3: Cross multiply
80,649,246.80x = 120,973,870.20 × 26,796,558.80 - Step 4: Simplify right side
80,649,246.80x = 3,241,683,426,077,868 - Step 5: Solve for x
x = 3,241,683,426,077,868/80,649,246.80 - Step 6: Final answer
x = 40,194,838.20
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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.