Finding the Fourth Proportional to 150,221,964.36, 225,330,527.34 and 47,985,328.20
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Solution
The fourth proportional to 150,221,964.36, 225,330,527.34 and 47,985,328.20 is: 71,977,219.54
Step by Step Solution
- Step 1: Write the proportion equation
150,221,964.36 : 225,330,527.34 = 47,985,328.20 : x - Step 2: Convert to fraction form
150,221,964.36/225,330,527.34 = 47,985,328.20/x - Step 3: Cross multiply
150,221,964.36x = 225,330,527.34 × 47,985,328.20 - Step 4: Simplify right side
150,221,964.36x = 10,812,559,307,888,974 - Step 5: Solve for x
x = 10,812,559,307,888,974/150,221,964.36 - Step 6: Final answer
x = 71,977,219.54
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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.