Finding the Fourth Proportional to 79,749,314.85, 110,074,531.11 and 51,941,320.08
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Solution
The fourth proportional to 79,749,314.85, 110,074,531.11 and 51,941,320.08 is: 71,692,358.28
Step by Step Solution
- Step 1: Write the proportion equation
79,749,314.85 : 110,074,531.11 = 51,941,320.08 : x - Step 2: Convert to fraction form
79,749,314.85/110,074,531.11 = 51,941,320.08/x - Step 3: Cross multiply
79,749,314.85x = 110,074,531.11 × 51,941,320.08 - Step 4: Simplify right side
79,749,314.85x = 5,717,416,453,040,427 - Step 5: Solve for x
x = 5,717,416,453,040,427/79,749,314.85 - Step 6: Final answer
x = 71,692,358.28
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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.