Finding the Fourth Proportional to 201,087,020.48, 277,623,892.44 and 159,439,317.92
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Solution
The fourth proportional to 201,087,020.48, 277,623,892.44 and 159,439,317.92 is: 220,124,421.46
Step by Step Solution
- Step 1: Write the proportion equation
201,087,020.48 : 277,623,892.44 = 159,439,317.92 : x - Step 2: Convert to fraction form
201,087,020.48/277,623,892.44 = 159,439,317.92/x - Step 3: Cross multiply
201,087,020.48x = 277,623,892.44 × 159,439,317.92 - Step 4: Simplify right side
201,087,020.48x = 44,264,164,047,349,496 - Step 5: Solve for x
x = 44,264,164,047,349,496/201,087,020.48 - Step 6: Final answer
x = 220,124,421.46
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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.