Finding the Fourth Proportional to 54,457,919.54, 81,704,147.53 and 19,442,282.63
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Solution
The fourth proportional to 54,457,919.54, 81,704,147.53 and 19,442,282.63 is: 29,169,588.95
Step by Step Solution
- Step 1: Write the proportion equation
54,457,919.54 : 81,704,147.53 = 19,442,282.63 : x - Step 2: Convert to fraction form
54,457,919.54/81,704,147.53 = 19,442,282.63/x - Step 3: Cross multiply
54,457,919.54x = 81,704,147.53 × 19,442,282.63 - Step 4: Simplify right side
54,457,919.54x = 1,588,515,128,360,390 - Step 5: Solve for x
x = 1,588,515,128,360,390/54,457,919.54 - Step 6: Final answer
x = 29,169,588.95
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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.