Finding the Fourth Proportional to 245,248,438.91, 367,943,664.78 and 72,729,404.28
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Solution
The fourth proportional to 245,248,438.91, 367,943,664.78 and 72,729,404.28 is: 109,115,163.66
Step by Step Solution
- Step 1: Write the proportion equation
245,248,438.91 : 367,943,664.78 = 72,729,404.28 : x - Step 2: Convert to fraction form
245,248,438.91/367,943,664.78 = 72,729,404.28/x - Step 3: Cross multiply
245,248,438.91x = 367,943,664.78 × 72,729,404.28 - Step 4: Simplify right side
245,248,438.91x = 26,760,323,548,049,416 - Step 5: Solve for x
x = 26,760,323,548,049,416/245,248,438.91 - Step 6: Final answer
x = 109,115,163.66
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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.