Finding the Fourth Proportional to 115,503,539.84, 159,394,839.36 and 63,995,315.84
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Solution
The fourth proportional to 115,503,539.84, 159,394,839.36 and 63,995,315.84 is: 88,313,510.58
Step by Step Solution
- Step 1: Write the proportion equation
115,503,539.84 : 159,394,839.36 = 63,995,315.84 : x - Step 2: Convert to fraction form
115,503,539.84/159,394,839.36 = 63,995,315.84/x - Step 3: Cross multiply
115,503,539.84x = 159,394,839.36 × 63,995,315.84 - Step 4: Simplify right side
115,503,539.84x = 10,200,523,088,109,264 - Step 5: Solve for x
x = 10,200,523,088,109,264/115,503,539.84 - Step 6: Final answer
x = 88,313,510.58
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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.