Finding the Fourth Proportional to 224,201,808.20, 336,302,712.30 and 131,990,889.80
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Solution
The fourth proportional to 224,201,808.20, 336,302,712.30 and 131,990,889.80 is: 197,986,334.70
Step by Step Solution
- Step 1: Write the proportion equation
224,201,808.20 : 336,302,712.30 = 131,990,889.80 : x - Step 2: Convert to fraction form
224,201,808.20/336,302,712.30 = 131,990,889.80/x - Step 3: Cross multiply
224,201,808.20x = 336,302,712.30 × 131,990,889.80 - Step 4: Simplify right side
224,201,808.20x = 44,388,894,238,630,408 - Step 5: Solve for x
x = 44,388,894,238,630,408/224,201,808.20 - Step 6: Final answer
x = 197,986,334.70
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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.