Finding the Fourth Proportional to 192,721,135.13, 265,955,506.43 and 104,615,193.83
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Solution
The fourth proportional to 192,721,135.13, 265,955,506.43 and 104,615,193.83 is: 144,369,152.02
Step by Step Solution
- Step 1: Write the proportion equation
192,721,135.13 : 265,955,506.43 = 104,615,193.83 : x - Step 2: Convert to fraction form
192,721,135.13/265,955,506.43 = 104,615,193.83/x - Step 3: Cross multiply
192,721,135.13x = 265,955,506.43 × 104,615,193.83 - Step 4: Simplify right side
192,721,135.13x = 27,822,986,854,807,188 - Step 5: Solve for x
x = 27,822,986,854,807,188/192,721,135.13 - Step 6: Final answer
x = 144,369,152.02
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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.