Finding the Fourth Proportional to 233,461,820.57, 322,184,163.97 and 127,621,085.02
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Solution
The fourth proportional to 233,461,820.57, 322,184,163.97 and 127,621,085.02 is: 176,120,842.72
Step by Step Solution
- Step 1: Write the proportion equation
233,461,820.57 : 322,184,163.97 = 127,621,085.02 : x - Step 2: Convert to fraction form
233,461,820.57/322,184,163.97 = 127,621,085.02/x - Step 3: Cross multiply
233,461,820.57x = 322,184,163.97 × 127,621,085.02 - Step 4: Simplify right side
233,461,820.57x = 41,117,492,581,467,056 - Step 5: Solve for x
x = 41,117,492,581,467,056/233,461,820.57 - Step 6: Final answer
x = 176,120,842.72
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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.