Finding the Fourth Proportional to 75,415,113.09, 113,121,946.81 and 44,687,573.75
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Solution
The fourth proportional to 75,415,113.09, 113,121,946.81 and 44,687,573.75 is: 67,030,932.32
Step by Step Solution
- Step 1: Write the proportion equation
75,415,113.09 : 113,121,946.81 = 44,687,573.75 : x - Step 2: Convert to fraction form
75,415,113.09/113,121,946.81 = 44,687,573.75/x - Step 3: Cross multiply
75,415,113.09x = 113,121,946.81 × 44,687,573.75 - Step 4: Simplify right side
75,415,113.09x = 5,055,145,341,154,116 - Step 5: Solve for x
x = 5,055,145,341,154,116/75,415,113.09 - Step 6: Final answer
x = 67,030,932.32
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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.