Finding the Fourth Proportional to 395,753,093.90, 593,720,840.12 and 136,968,317.18
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Solution
The fourth proportional to 395,753,093.90, 593,720,840.12 and 136,968,317.18 is: 205,484,039.41
Step by Step Solution
- Step 1: Write the proportion equation
395,753,093.90 : 593,720,840.12 = 136,968,317.18 : x - Step 2: Convert to fraction form
395,753,093.90/593,720,840.12 = 136,968,317.18/x - Step 3: Cross multiply
395,753,093.90x = 593,720,840.12 × 136,968,317.18 - Step 4: Simplify right side
395,753,093.90x = 81,320,944,342,278,784 - Step 5: Solve for x
x = 81,320,944,342,278,784/395,753,093.90 - Step 6: Final answer
x = 205,484,039.41
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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.