Finding the Fourth Proportional to 57,768,131.10, 86,631,201.45 and 19,430,895.90
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Solution
The fourth proportional to 57,768,131.10, 86,631,201.45 and 19,430,895.90 is: 29,139,281.90
Step by Step Solution
- Step 1: Write the proportion equation
57,768,131.10 : 86,631,201.45 = 19,430,895.90 : x - Step 2: Convert to fraction form
57,768,131.10/86,631,201.45 = 19,430,895.90/x - Step 3: Cross multiply
57,768,131.10x = 86,631,201.45 × 19,430,895.90 - Step 4: Simplify right side
57,768,131.10x = 1,683,321,857,066,879 - Step 5: Solve for x
x = 1,683,321,857,066,879/57,768,131.10 - Step 6: Final answer
x = 29,139,281.90
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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.