Finding the Fourth Proportional to 129,471,329.26, 194,234,987.50 and 68,878,248.94
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Solution
The fourth proportional to 129,471,329.26, 194,234,987.50 and 68,878,248.94 is: 103,332,265.90
Step by Step Solution
- Step 1: Write the proportion equation
129,471,329.26 : 194,234,987.50 = 68,878,248.94 : x - Step 2: Convert to fraction form
129,471,329.26/194,234,987.50 = 68,878,248.94/x - Step 3: Cross multiply
129,471,329.26x = 194,234,987.50 × 68,878,248.94 - Step 4: Simplify right side
129,471,329.26x = 13,378,565,821,882,788 - Step 5: Solve for x
x = 13,378,565,821,882,788/129,471,329.26 - Step 6: Final answer
x = 103,332,265.90
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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.