Finding the Fourth Proportional to 253,984,204.28, 381,014,163.36 and 90,208,201.52
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Solution
The fourth proportional to 253,984,204.28, 381,014,163.36 and 90,208,201.52 is: 135,325,748.02
Step by Step Solution
- Step 1: Write the proportion equation
253,984,204.28 : 381,014,163.36 = 90,208,201.52 : x - Step 2: Convert to fraction form
253,984,204.28/381,014,163.36 = 90,208,201.52/x - Step 3: Cross multiply
253,984,204.28x = 381,014,163.36 × 90,208,201.52 - Step 4: Simplify right side
253,984,204.28x = 34,370,602,430,353,080 - Step 5: Solve for x
x = 34,370,602,430,353,080/253,984,204.28 - Step 6: Final answer
x = 135,325,748.02
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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.