Finding the Fourth Proportional to 293,744,905.29, 405,370,106.15 and 159,783,977.97
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Solution
The fourth proportional to 293,744,905.29, 405,370,106.15 and 159,783,977.97 is: 220,503,051.95
Step by Step Solution
- Step 1: Write the proportion equation
293,744,905.29 : 405,370,106.15 = 159,783,977.97 : x - Step 2: Convert to fraction form
293,744,905.29/405,370,106.15 = 159,783,977.97/x - Step 3: Cross multiply
293,744,905.29x = 405,370,106.15 × 159,783,977.97 - Step 4: Simplify right side
293,744,905.29x = 64,771,648,109,969,240 - Step 5: Solve for x
x = 64,771,648,109,969,240/293,744,905.29 - Step 6: Final answer
x = 220,503,051.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.