Finding the Fourth Proportional to 44,301,711.60, 66,452,567.40 and 31,452,649.20
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Solution
The fourth proportional to 44,301,711.60, 66,452,567.40 and 31,452,649.20 is: 47,178,973.80
Step by Step Solution
- Step 1: Write the proportion equation
44,301,711.60 : 66,452,567.40 = 31,452,649.20 : x - Step 2: Convert to fraction form
44,301,711.60/66,452,567.40 = 31,452,649.20/x - Step 3: Cross multiply
44,301,711.60x = 66,452,567.40 × 31,452,649.20 - Step 4: Simplify right side
44,301,711.60x = 2,090,109,290,871,556 - Step 5: Solve for x
x = 2,090,109,290,871,556/44,301,711.60 - Step 6: Final answer
x = 47,178,973.80
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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.