Finding the Fourth Proportional to 192,709,893,655.17, 265,946,830,372.12 and 115,560,294,120.99
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Solution
The fourth proportional to 192,709,893,655.17, 265,946,830,372.12 and 115,560,294,120.99 is: 159,477,509,719.04
Step by Step Solution
- Step 1: Write the proportion equation
192,709,893,655.17 : 265,946,830,372.12 = 115,560,294,120.99 : x - Step 2: Convert to fraction form
192,709,893,655.17/265,946,830,372.12 = 115,560,294,120.99/x - Step 3: Cross multiply
192,709,893,655.17x = 265,946,830,372.12 × 115,560,294,120.99 - Step 4: Simplify right side
192,709,893,655.17x = 30,732,893,938,347,222,761,472 - Step 5: Solve for x
x = 30,732,893,938,347,222,761,472/192,709,893,655.17 - Step 6: Final answer
x = 159,477,509,719.04
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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.