Finding the Fourth Proportional to 65,201,120.80, 97,801,681.20 and 19,757,010.40
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Solution
The fourth proportional to 65,201,120.80, 97,801,681.20 and 19,757,010.40 is: 29,635,515.60
Step by Step Solution
- Step 1: Write the proportion equation
65,201,120.80 : 97,801,681.20 = 19,757,010.40 : x - Step 2: Convert to fraction form
65,201,120.80/97,801,681.20 = 19,757,010.40/x - Step 3: Cross multiply
65,201,120.80x = 97,801,681.20 × 19,757,010.40 - Step 4: Simplify right side
65,201,120.80x = 1,932,268,832,605,884.50 - Step 5: Solve for x
x = 1,932,268,832,605,884.50/65,201,120.80 - Step 6: Final answer
x = 29,635,515.60
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1.5x scale
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.