Finding the Fourth Proportional to 137,314,760.20, 189,493,457.34 and 74,590,288
Calculator
Solution
The fourth proportional to 137,314,760.20, 189,493,457.34 and 74,590,288 is: 102,934,102.18
Step by Step Solution
- Step 1: Write the proportion equation
137,314,760.20 : 189,493,457.34 = 74,590,288 : x - Step 2: Convert to fraction form
137,314,760.20/189,493,457.34 = 74,590,288/x - Step 3: Cross multiply
137,314,760.20x = 189,493,457.34 × 74,590,288 - Step 4: Simplify right side
137,314,760.20x = 14,134,371,557,106,314 - Step 5: Solve for x
x = 14,134,371,557,106,314/137,314,760.20 - Step 6: Final answer
x = 102,934,102.18
Related Problems
Find fourth proportional to 68,657,380.10, 94,746,728.67 and 37,295,144
Half scale
Find fourth proportional to 274,629,520.40, 378,986,914.68 and 149,180,576
Double scale
Find fourth proportional to 137,314,761.20, 189,493,458.72 and 74,590,289
Similar ratio
Find fourth proportional to 205,972,140.30, 284,240,186.01 and 111,885,432
1.5x scale
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.