Finding the Fourth Proportional to 243,248,244.86, 364,919,311.25 and 79,441,963.99
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Solution
The fourth proportional to 243,248,244.86, 364,919,311.25 and 79,441,963.99 is: 119,178,277.32
Step by Step Solution
- Step 1: Write the proportion equation
243,248,244.86 : 364,919,311.25 = 79,441,963.99 : x - Step 2: Convert to fraction form
243,248,244.86/364,919,311.25 = 79,441,963.99/x - Step 3: Cross multiply
243,248,244.86x = 364,919,311.25 × 79,441,963.99 - Step 4: Simplify right side
243,248,244.86x = 28,989,906,783,578,100 - Step 5: Solve for x
x = 28,989,906,783,578,100/243,248,244.86 - Step 6: Final answer
x = 119,178,277.32
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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.