Finding the Fourth Proportional to 189,552,986.12, 284,340,115.02 and 53,227,740.68
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Solution
The fourth proportional to 189,552,986.12, 284,340,115.02 and 53,227,740.68 is: 79,844,597.63
Step by Step Solution
- Step 1: Write the proportion equation
189,552,986.12 : 284,340,115.02 = 53,227,740.68 : x - Step 2: Convert to fraction form
189,552,986.12/284,340,115.02 = 53,227,740.68/x - Step 3: Cross multiply
189,552,986.12x = 284,340,115.02 × 53,227,740.68 - Step 4: Simplify right side
189,552,986.12x = 15,134,781,907,205,932 - Step 5: Solve for x
x = 15,134,781,907,205,932/189,552,986.12 - Step 6: Final answer
x = 79,844,597.63
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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.