Finding the Fourth Proportional to 90,541,702,853.19, 124,943,912,162.25 and 49,341,207,736.53
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Solution
The fourth proportional to 90,541,702,853.19, 124,943,912,162.25 and 49,341,207,736.53 is: 68,088,884,250.48
Step by Step Solution
- Step 1: Write the proportion equation
90,541,702,853.19 : 124,943,912,162.25 = 49,341,207,736.53 : x - Step 2: Convert to fraction form
90,541,702,853.19/124,943,912,162.25 = 49,341,207,736.53/x - Step 3: Cross multiply
90,541,702,853.19x = 124,943,912,162.25 × 49,341,207,736.53 - Step 4: Simplify right side
90,541,702,853.19x = 6,164,883,525,412,333,813,760 - Step 5: Solve for x
x = 6,164,883,525,412,333,813,760/90,541,702,853.19 - Step 6: Final answer
x = 68,088,884,250.48
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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.