Finding the Fourth Proportional to 293,276,145.30, 440,197,653.15 and 147,873,887.70
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Solution
The fourth proportional to 293,276,145.30, 440,197,653.15 and 147,873,887.70 is: 221,953,743.50
Step by Step Solution
- Step 1: Write the proportion equation
293,276,145.30 : 440,197,653.15 = 147,873,887.70 : x - Step 2: Convert to fraction form
293,276,145.30/440,197,653.15 = 147,873,887.70/x - Step 3: Cross multiply
293,276,145.30x = 440,197,653.15 × 147,873,887.70 - Step 4: Simplify right side
293,276,145.30x = 65,093,738,327,706,640 - Step 5: Solve for x
x = 65,093,738,327,706,640/293,276,145.30 - Step 6: Final answer
x = 221,953,743.50
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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.