Finding the Fourth Proportional to 245,002,612.97, 338,099,330.28 and 133,494,376.81
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Solution
The fourth proportional to 245,002,612.97, 338,099,330.28 and 133,494,376.81 is: 184,219,910.34
Step by Step Solution
- Step 1: Write the proportion equation
245,002,612.97 : 338,099,330.28 = 133,494,376.81 : x - Step 2: Convert to fraction form
245,002,612.97/338,099,330.28 = 133,494,376.81/x - Step 3: Cross multiply
245,002,612.97x = 338,099,330.28 × 133,494,376.81 - Step 4: Simplify right side
245,002,612.97x = 45,134,359,393,916,464 - Step 5: Solve for x
x = 45,134,359,393,916,464/245,002,612.97 - Step 6: Final answer
x = 184,219,910.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.