Finding the Fourth Proportional to 199,627,786.20, 299,441,679.30 and 170,402,467.80
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Solution
The fourth proportional to 199,627,786.20, 299,441,679.30 and 170,402,467.80 is: 255,603,701.70
Step by Step Solution
- Step 1: Write the proportion equation
199,627,786.20 : 299,441,679.30 = 170,402,467.80 : x - Step 2: Convert to fraction form
199,627,786.20/299,441,679.30 = 170,402,467.80/x - Step 3: Cross multiply
199,627,786.20x = 299,441,679.30 × 170,402,467.80 - Step 4: Simplify right side
199,627,786.20x = 51,025,601,114,896,184 - Step 5: Solve for x
x = 51,025,601,114,896,184/199,627,786.20 - Step 6: Final answer
x = 255,603,701.70
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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.