Finding the Fourth Proportional to 121,367,840,135.70, 182,051,760,203.55 and 115,582,360,833.30
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Solution
The fourth proportional to 121,367,840,135.70, 182,051,760,203.55 and 115,582,360,833.30 is: 173,373,541,249.95
Step by Step Solution
- Step 1: Write the proportion equation
121,367,840,135.70 : 182,051,760,203.55 = 115,582,360,833.30 : x - Step 2: Convert to fraction form
121,367,840,135.70/182,051,760,203.55 = 115,582,360,833.30/x - Step 3: Cross multiply
121,367,840,135.70x = 182,051,760,203.55 × 115,582,360,833.30 - Step 4: Simplify right side
121,367,840,135.70x = 21,041,972,238,184,121,106,432 - Step 5: Solve for x
x = 21,041,972,238,184,121,106,432/121,367,840,135.70 - Step 6: Final answer
x = 173,373,541,249.95
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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.