Finding the Fourth Proportional to 217,271,820.06, 299,837,246.69 and 118,154,721.31
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Solution
The fourth proportional to 217,271,820.06, 299,837,246.69 and 118,154,721.31 is: 163,054,676.45
Step by Step Solution
- Step 1: Write the proportion equation
217,271,820.06 : 299,837,246.69 = 118,154,721.31 : x - Step 2: Convert to fraction form
217,271,820.06/299,837,246.69 = 118,154,721.31/x - Step 3: Cross multiply
217,271,820.06x = 299,837,246.69 × 118,154,721.31 - Step 4: Simplify right side
217,271,820.06x = 35,427,186,320,560,464 - Step 5: Solve for x
x = 35,427,186,320,560,464/217,271,820.06 - Step 6: Final answer
x = 163,054,676.45
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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.