Finding the Fourth Proportional to 199,621,183.12, 275,461,857.96 and 112,709,633.68
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Solution
The fourth proportional to 199,621,183.12, 275,461,857.96 and 112,709,633.68 is: 155,530,613.63
Step by Step Solution
- Step 1: Write the proportion equation
199,621,183.12 : 275,461,857.96 = 112,709,633.68 : x - Step 2: Convert to fraction form
199,621,183.12/275,461,857.96 = 112,709,633.68/x - Step 3: Cross multiply
199,621,183.12x = 275,461,857.96 × 112,709,633.68 - Step 4: Simplify right side
199,621,183.12x = 31,047,205,103,483,792 - Step 5: Solve for x
x = 31,047,205,103,483,792/199,621,183.12 - Step 6: Final answer
x = 155,530,613.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.