Finding the Fourth Proportional to 43,423,214.93, 65,120,371.18 and 17,508,822.96
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Solution
The fourth proportional to 43,423,214.93, 65,120,371.18 and 17,508,822.96 is: 26,257,407.52
Step by Step Solution
- Step 1: Write the proportion equation
43,423,214.93 : 65,120,371.18 = 17,508,822.96 : x - Step 2: Convert to fraction form
43,423,214.93/65,120,371.18 = 17,508,822.96/x - Step 3: Cross multiply
43,423,214.93x = 65,120,371.18 × 17,508,822.96 - Step 4: Simplify right side
43,423,214.93x = 1,140,181,050,080,106.25 - Step 5: Solve for x
x = 1,140,181,050,080,106.25/43,423,214.93 - Step 6: Final answer
x = 26,257,407.52
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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.