Finding the Fourth Proportional to 113,014,158.12, 155,852,399.70 and 73,889,471.70
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Solution
The fourth proportional to 113,014,158.12, 155,852,399.70 and 73,889,471.70 is: 101,897,423.02
Step by Step Solution
- Step 1: Write the proportion equation
113,014,158.12 : 155,852,399.70 = 73,889,471.70 : x - Step 2: Convert to fraction form
113,014,158.12/155,852,399.70 = 73,889,471.70/x - Step 3: Cross multiply
113,014,158.12x = 155,852,399.70 × 73,889,471.70 - Step 4: Simplify right side
113,014,158.12x = 11,515,851,477,010,238 - Step 5: Solve for x
x = 11,515,851,477,010,238/113,014,158.12 - Step 6: Final answer
x = 101,897,423.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.