Finding the Fourth Proportional to 43,486,396.84, 65,087,655.18 and 31,968,815.14
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Solution
The fourth proportional to 43,486,396.84, 65,087,655.18 and 31,968,815.14 is: 47,848,876.14
Step by Step Solution
- Step 1: Write the proportion equation
43,486,396.84 : 65,087,655.18 = 31,968,815.14 : x - Step 2: Convert to fraction form
43,486,396.84/65,087,655.18 = 31,968,815.14/x - Step 3: Cross multiply
43,486,396.84x = 65,087,655.18 × 31,968,815.14 - Step 4: Simplify right side
43,486,396.84x = 2,080,775,216,345,483.50 - Step 5: Solve for x
x = 2,080,775,216,345,483.50/43,486,396.84 - Step 6: Final answer
x = 47,848,876.14
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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.