Finding the Fourth Proportional to 293,510,029.13, 440,253,552.97 and 99,421,444.05
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Solution
The fourth proportional to 293,510,029.13, 440,253,552.97 and 99,421,444.05 is: 149,128,273.79
Step by Step Solution
- Step 1: Write the proportion equation
293,510,029.13 : 440,253,552.97 = 99,421,444.05 : x - Step 2: Convert to fraction form
293,510,029.13/440,253,552.97 = 99,421,444.05/x - Step 3: Cross multiply
293,510,029.13x = 440,253,552.97 × 99,421,444.05 - Step 4: Simplify right side
293,510,029.13x = 43,770,643,984,420,568 - Step 5: Solve for x
x = 43,770,643,984,420,568/293,510,029.13 - Step 6: Final answer
x = 149,128,273.79
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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.