Finding the Fourth Proportional to 129,471,328.26, 194,234,986 and 68,878,247.94
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Solution
The fourth proportional to 129,471,328.26, 194,234,986 and 68,878,247.94 is: 103,332,264.40
Step by Step Solution
- Step 1: Write the proportion equation
129,471,328.26 : 194,234,986 = 68,878,247.94 : x - Step 2: Convert to fraction form
129,471,328.26/194,234,986 = 68,878,247.94/x - Step 3: Cross multiply
129,471,328.26x = 194,234,986 × 68,878,247.94 - Step 4: Simplify right side
129,471,328.26x = 13,378,565,524,330,428 - Step 5: Solve for x
x = 13,378,565,524,330,428/129,471,328.26 - Step 6: Final answer
x = 103,332,264.40
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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.