Finding the Fourth Proportional to 371,823,125.72, 513,105,611.28 and 202,271,741.96
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Solution
The fourth proportional to 371,823,125.72, 513,105,611.28 and 202,271,741.96 is: 279,129,399.50
Step by Step Solution
- Step 1: Write the proportion equation
371,823,125.72 : 513,105,611.28 = 202,271,741.96 : x - Step 2: Convert to fraction form
371,823,125.72/513,105,611.28 = 202,271,741.96/x - Step 3: Cross multiply
371,823,125.72x = 513,105,611.28 × 202,271,741.96 - Step 4: Simplify right side
371,823,125.72x = 103,786,765,803,056,224 - Step 5: Solve for x
x = 103,786,765,803,056,224/371,823,125.72 - Step 6: Final answer
x = 279,129,399.50
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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.