Finding the Fourth Proportional to 189,270,442.97, 261,193,572.68 and 104,497,725.81
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Solution
The fourth proportional to 189,270,442.97, 261,193,572.68 and 104,497,725.81 is: 144,207,061.14
Step by Step Solution
- Step 1: Write the proportion equation
189,270,442.97 : 261,193,572.68 = 104,497,725.81 : x - Step 2: Convert to fraction form
189,270,442.97/261,193,572.68 = 104,497,725.81/x - Step 3: Cross multiply
189,270,442.97x = 261,193,572.68 × 104,497,725.81 - Step 4: Simplify right side
189,270,442.97x = 27,294,134,340,726,460 - Step 5: Solve for x
x = 27,294,134,340,726,460/189,270,442.97 - Step 6: Final answer
x = 144,207,061.14
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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.