Finding the Fourth Proportional to 164,513,572.70, 245,299,563.95 and 159,993,666.99
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Solution
The fourth proportional to 164,513,572.70, 245,299,563.95 and 159,993,666.99 is: 238,560,114.55
Step by Step Solution
- Step 1: Write the proportion equation
164,513,572.70 : 245,299,563.95 = 159,993,666.99 : x - Step 2: Convert to fraction form
164,513,572.70/245,299,563.95 = 159,993,666.99/x - Step 3: Cross multiply
164,513,572.70x = 245,299,563.95 × 159,993,666.99 - Step 4: Simplify right side
164,513,572.70x = 39,246,376,746,608,544 - Step 5: Solve for x
x = 39,246,376,746,608,544/164,513,572.70 - Step 6: Final answer
x = 238,560,114.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.