Finding the Fourth Proportional to 81,961,992.24, 122,929,521.90 and 29,428,790.59
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Solution
The fourth proportional to 81,961,992.24, 122,929,521.90 and 29,428,790.59 is: 44,138,350.70
Step by Step Solution
- Step 1: Write the proportion equation
81,961,992.24 : 122,929,521.90 = 29,428,790.59 : x - Step 2: Convert to fraction form
81,961,992.24/122,929,521.90 = 29,428,790.59/x - Step 3: Cross multiply
81,961,992.24x = 122,929,521.90 × 29,428,790.59 - Step 4: Simplify right side
81,961,992.24x = 3,617,667,157,323,919 - Step 5: Solve for x
x = 3,617,667,157,323,919/81,961,992.24 - Step 6: Final answer
x = 44,138,350.70
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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.