Finding the Fourth Proportional to 307,658,751.56, 461,489,310.62 and 74,489,075.08
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Solution
The fourth proportional to 307,658,751.56, 461,489,310.62 and 74,489,075.08 is: 111,733,899.11
Step by Step Solution
- Step 1: Write the proportion equation
307,658,751.56 : 461,489,310.62 = 74,489,075.08 : x - Step 2: Convert to fraction form
307,658,751.56/461,489,310.62 = 74,489,075.08/x - Step 3: Cross multiply
307,658,751.56x = 461,489,310.62 × 74,489,075.08 - Step 4: Simplify right side
307,658,751.56x = 34,375,911,907,390,620 - Step 5: Solve for x
x = 34,375,911,907,390,620/307,658,751.56 - Step 6: Final answer
x = 111,733,899.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.