Finding the Fourth Proportional to 49,711,901.13, 68,604,551.97 and 27,685,400.48
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Solution
The fourth proportional to 49,711,901.13, 68,604,551.97 and 27,685,400.48 is: 38,207,038.00
Step by Step Solution
- Step 1: Write the proportion equation
49,711,901.13 : 68,604,551.97 = 27,685,400.48 : x - Step 2: Convert to fraction form
49,711,901.13/68,604,551.97 = 27,685,400.48/x - Step 3: Cross multiply
49,711,901.13x = 68,604,551.97 × 27,685,400.48 - Step 4: Simplify right side
49,711,901.13x = 1,899,344,495,697,400.25 - Step 5: Solve for x
x = 1,899,344,495,697,400.25/49,711,901.13 - Step 6: Final answer
x = 38,207,038.00
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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.