Finding the Fourth Proportional to 65,201,092.80, 97,801,639.20 and 19,756,982.40
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Solution
The fourth proportional to 65,201,092.80, 97,801,639.20 and 19,756,982.40 is: 29,635,473.60
Step by Step Solution
- Step 1: Write the proportion equation
65,201,092.80 : 97,801,639.20 = 19,756,982.40 : x - Step 2: Convert to fraction form
65,201,092.80/97,801,639.20 = 19,756,982.40/x - Step 3: Cross multiply
65,201,092.80x = 97,801,639.20 × 19,756,982.40 - Step 4: Simplify right side
65,201,092.80x = 1,932,265,264,365,550 - Step 5: Solve for x
x = 1,932,265,264,365,550/65,201,092.80 - Step 6: Final answer
x = 29,635,473.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.