Finding the Fourth Proportional to 242,633,207.70, 363,949,811.55 and 121,448,913.30
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Solution
The fourth proportional to 242,633,207.70, 363,949,811.55 and 121,448,913.30 is: 182,173,369.95
Step by Step Solution
- Step 1: Write the proportion equation
242,633,207.70 : 363,949,811.55 = 121,448,913.30 : x - Step 2: Convert to fraction form
242,633,207.70/363,949,811.55 = 121,448,913.30/x - Step 3: Cross multiply
242,633,207.70x = 363,949,811.55 × 121,448,913.30 - Step 4: Simplify right side
242,633,207.70x = 44,201,309,108,487,288 - Step 5: Solve for x
x = 44,201,309,108,487,288/242,633,207.70 - Step 6: Final answer
x = 182,173,369.95
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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.